the greatest invention ever essay

November 1, 2013

What Are the 10 Greatest Inventions of Our Time?

Before you consider, here are a few opinions from Scientific American readers in 1913 on what makes a great invention

By Daniel C. Schlenoff

A competition sponsored in 1913 by Scientific American asked for essays on the 10 greatest inventions. The rules: “our time” meant the previous quarter century, 1888 to 1913; the invention had to be patentable and was considered to date from its “commercial introduction.”

Perception is at the heart of this question. Inventions are most salient when we can see the historical changes they cause. In 2013 we might not appreciate the work of Nikola Tesla or Thomas Edison on a daily basis, as we are accustomed to electricity in all its forms, but we are very impressed by the societal changes caused by the Internet and the World Wide Web (both of which run on alternating-current electricity, by the way). A century from now they might be curious as to what all the fuss was about. The answers from 1913 thus provide a snapshot of the perceptions of the time.

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The airplane: The Wright Flyer for military purposes, being demonstrated at Fort Myer, Va., in 1908. Image: Scientific American - November 1, 1913

Following are excerpts from the first- and second-prize essays, along with a statistical tally of all the entries that were sent in.

The first-prize essay was written by William I. Wyman, who worked in the U.S. Patent Office in Washington, D.C., and was thus well informed on the progress of inventions. His list was:

1. The electric furnace (1889) It was “the only means for commercially producing Carborundum (the hardest of all manufactured substances).” The electric furnace also converted aluminum “from a merely precious to very useful metal” (by reducing it’s price 98 percent), and was “radically transforming the steel industry.”

2. The steam turbine, invented by Charles Parsons in 1884 and commercially introduced over the next 10 years. A huge improvement in powering ships, the more far-reaching use of this invention was to drive generators that produced electricity.

3. The gasoline-powered automobile. Many inventors worked toward the goal of a “self-propelled” vehicle in the 19th century. Wyman gave the honor specifically to Gottleib Daimler for his 1889 engine, arguing: “a century's insistent but unsuccessful endeavor to provide a practical self-propelled car proves that the success of any type that once answered requirements would be immediate. Such success did come with the advent of the Daimler motor, and not before.”

4. The moving picture. Entertainment always will be important to people. “The moving picture has transformed the amusements of the multitude.” The technical pioneer he cited was Thomas Edison.

5. The airplane. For “the Realization of an age-long dream” he gave the laurels of success to the Wright brothers, but apart from its military use reserved judgment on the utility of the invention: “It presents the least commercial utility of all the inventions considered.”

6. Wireless Telegraphy. Systems for transmitting information between people have been around for centuries, perhaps millennia. Telegraph signals got a speed boost in the U.S. from Samuel Morse and Alfred Vail. Wireless telegraphy as invented by Guglielmo Marconi, later evolving into radio, set information free from wires.

7. The cyanide process. Sounds toxic, yes? It appears on this list for only one reason: It is used to extract gold from ore. “Gold is the life blood of trade,” and in 1913 it was considered to be the foundation for international commerce and national currencies.

8. The Nikola Tesla induction motor. “This epoch-making invention is mainly responsible for the present large and increasing use of electricity in the industries.” Before people had electricity in their homes, the alternating current–producing motor constructed by Tesla supplied 90 percent of the electricity used by manufacturing.

9. The Linotype machine. The Linotype machine enabled publishers—largely newspapers—to compose text and print it much faster and cheaper. It was an advance as large as the invention of the printing press itself was over the painstaking handwritten scrolls before it. Pretty soon we won’t be using paper for writing and reading, so the history of printing will be forgotten anyway.

10. The electric welding process of Elihu Thomson. In the era of mass production, the electric welding process enabled faster production and construction of better, more intricate machines for that manufacturing process.

The electric welder invented by Elihu Thomson enabled the cheaper production of intricate welded machinery. Image: Scientific American - November 1, 1913

The turbine invented by Charles Parsons powered ships. Assembled in numbers, they provided an efficient means of driving electrical generators and producing that most useful commodity. Image: Scientific American - November 1, 1913

The second-prize essay, by George M. Dowe, also of Washington, D.C., who may have been a patent attorney, was more philosophical. He divided his inventions into those aiding three broad sectors: production, transportation and communication.

1. Electrical fixation of atmospheric nitrogen. As natural fertilizer sources were depleted during the 19th century, artificial fertilizers enabled the further expansion of agriculture.

2. Preservation of sugar-producing plants. George W. McMullen of Chicago is credited with the discovery of a method for drying sugar cane and sugar beets for transport. Sugar production became more efficient and its supply increased by leaps and bounds, like a kid on a “sugar buzz.” Maybe this is one invention we could have done without. But I digress.

3. High-speed steel alloys. By adding tungsten to steel, “tools so made were able to cut at such a speed that they became almost red hot without losing either their temper or their cutting edge” The increase in the efficiency of cutting machines was “nothing short of revolutionary.”

4. Tungsten-filament lamp. Another success of chemistry. After tungsten replaced carbon in its filament, the lightbulb was considered “perfected.” As of 2013 they are being phased out worldwide in favor of compact fluorescent bulbs, which are four times as efficient.

5. The airplane. Not yet in wide use as transportation in 1913, but “To [Samuel] Langley and to the Wright brothers must be awarded the chief honors in the attainment of mechanical flight.” In 2013 the annoying aspects of commercial airline flying make transportation by horse and buggy seem a viable alternative.

6. The steam turbine. As with Mr. Wyman, the turbine deserved credit not only “in the utilization of steam as a prime mover” but in its use in the “generation of electricity.”

7. Internal combustion engine. As a means of transportation, Dowe gives the greatest credit to “Daimler, Ford and Duryea.” Gottleib Daimler is a well-known pioneer in motor vehicles. Henry Ford began production of the Model T in 1908 and it was quite popular by 1913. Charles Duryea made one of the earliest commercially successful petrol-driven vehicles, starting in 1896.

8. The pneumatic tire. Cars for personal transportation were an improvement on railways. “What the track has done for the locomotive, the pneumatic tire has done for the vehicle not confined to tracks.” Credit is given to John Dunlop and William C. Bartlet, who each had a milestone on the road (pun intended) to successful automobile and bicycle tires.

9. Wireless communication. Marconi was given the credit for making wireless “commercially practical.” Dowe also makes a comment that could apply equally to the rise of the World Wide Web, stating that wireless was “devised to meet the needs of commerce primarily, but incidentally they have contributed to social intercourse.”

10. Composing machines. The giant rotary press was quite capable of churning out masses of printed material. The bottleneck in the chain of production was composing the printing plates. The Linotype and the Monotype dispensed with that bottleneck.

The essays sent in were compiled to come up with a master list of inventions that were considered to be the top 10. Wireless telegraphy was on almost everyone’s list. The “aeroplane” came in second, although it was considered important because of its potential, not because there were so many airplanes in the sky. Here are the rest of the results:

There were also mentions for Luther Burbank's agricultural work (23); Louis Pasteur and vaccination work (20); acetylene gas from carbide (17); mercury-vapor lamp (7); preservation of sugar-producing plants (7); combined motion picture and talking machine (10); Edison's storage battery (6); automatic player piano (4); Pulmotor (a respirator machine) (4); telephone (4).

The motion picture: The hard-working Thomas Edison helped make this entertainment form technically viable. Image: Scientific American - November 1, 1913

The full contents of all the prize-winning essays is available with a subscription to the Scientific American archives .

20 inventions that changed the world

From the wheel 5,500 years ago to the birth control pill, these 20 inventions had huge ramifications and have helped humans shape the world around us.

2. Printing press

3. penicillin, 5. light bulb, 6. telephone, 7. internal combustion engine, 8. contraceptives, 9. internet, 11. use of fire, 12. concrete, 13. magnifying glass, 14. batteries, 15. marine chronometer, 16. airplane, 17. refrigerator, 18. nuclear energy, 19. vaccines.

Humans are naturally curious and creative, two traits that have led our species to many scientific and technological breakthroughs. Since our earliest ancestors bashed a rock on the ground to make the first sharp-edged tool, humans have continued to innovate. From the debut of the wheel to the launch of Mars rovers, several of these key advancements stand out as especially revolutionary. Some inventions are thanks to one eureka moment, but most of our most pioneering inventions were the work of several innovative thinkers who made incremental improvements over many years. Here, we explore 20 of the most important inventions of all time, along with the science behind the inventions and how they came about.

Before the invention of the wheel in 3500 B.C., humans were severely limited in how much stuff we could transport over land, and how far. The wheel itself wasn't the most difficult part of "inventing the wheel." When it came time to connect a non-moving platform to that rolling cylinder, things got tricky, according to David Anthony, an emeritus professor of anthropology at Hartwick College.

"The stroke of brilliance was the wheel-and-axle concept," Anthony previously told Live Science . "But then making it was also difficult." For instance, the holes at the center of the wheels and the ends of the fixed axles had to be nearly perfectly round and smooth, he said. The size of the axle was also a critical factor, as was its snugness inside the hole (not too tight, but not too loose, either).

The hard work paid off, big time. Wheeled carts facilitated agriculture and commerce by enabling the transportation of goods to and from markets, as well as easing the burdens of people travelling great distances. Now, wheels are vital to our way of life, found in everything from clocks to vehicles to turbines.

David Anthony is professor emeritus and curator emeritus of anthropology at Hartwick College in Oneonta, New York. He has done extensive archaeological fieldwork in Ukraine, Russia and Kazakhstan. Anthony is the author of "The Horse, the Wheel, and Language" (Princeton, 2007) and has co-authored studies including the finding that humans first rode horses 5,000 years ago .

German inventor Johannes Gutenberg invented the printing press sometime between 1440 and 1450. Key to its development was the hand mold, a new molding technique that enabled the rapid creation of large quantities of metal movable type. Though others before him — including inventors in China and Korea — had developed movable type made from metal, Gutenberg was the first to create a mechanized process that transferred the ink (which he made from linseed oil and soot) from the movable type to paper.

With this movable type process, printing presses exponentially increased the speed with which book copies could be made, and thus they led to the rapid and widespread dissemination of knowledge for the first time in history. In her book “ The Printing Revolution in Early Modern Europe ” (Cambridge University Press, 2012), late historian Elizabeth L. Eisenstein wrote, “printers’ workshops would be found in every important municipal center by 1500.”  It has been estimated that up to twenty million volumes had been printed in Western Europe by 1500, although Eisenstein estimates that it was around eight million.

Among other things, the printing press permitted wider access to the Bible, which in turn led to alternative interpretations, including that of Martin Luther, whose "95 Theses" a document printed by the hundred-thousand sparked the Protestant Reformation.

It's one of the most famous discovery stories in history. In 1928, the Scottish scientist Alexander Fleming noticed a bacteria-filled Petri dish in his laboratory with its lid accidentally ajar. The sample had become contaminated with a mold, and everywhere the mold was, the bacteria was dead. That antibiotic mold turned out to be the fungus Penicillium, and over the next two decades, chemists purified it and developed the drug penicillin , which fights a huge number of bacterial infections in humans without harming the humans themselves.

Penicillin was being mass-produced and advertised by 1944. This poster attached to a curbside mailbox advised World War II servicemen to take the drug to rid themselves of venereal disease.

About 1 in 10 people have an allergic reaction to the antibiotic , according to a study published in 2003 in the journal Clinical Reviews in Allergy and Immunology. Even so, most of those people go on to be able to tolerate the drug, researchers said.

Related: What causes allergies?

Ancient mariners used the stars for navigation, but this method didn’t work during the day or on cloudy nights, making it dangerous to travel far from land. 

The first compass was invented in China during the Han dynasty between the 2nd Century B.C. and 1st Century A.D.; it was made of lodestone, a naturally-magnetized iron ore, the attractive properties of which they had been studying for centuries. However, it was used for navigation for the first time during the Song Dynasty, between the 11th and 12th centuries,

Soon after, the technology to the West through nautical contact. The compass enabled mariners to navigate safely far from land, opening up the world for exploration and the subsequent development of global trade. An instrument still widely used today, the compass has transformed our knowledge and understanding of the Earth forever.

The invention of the light bulb transformed our world by removing our dependence on natural light, allowing us to be productive at any time, day or night.  Several inventors were instrumental in developing this revolutionary technology throughout the 1800s; Thomas Edison is credited as the primary inventor because he created a completely functional lighting system, including a generator and wiring as well as a carbon-filament bulb like the one above, in 1879.

As well as initiating the introduction of electricity in homes throughout the Western world, this invention also had a rather unexpected consequence of changing people's sleep patterns . Instead of going to bed at nightfall (having nothing else to do) and sleeping in segments throughout the night separated by periods of wakefulness, we now stay up except for the 7 to 8 hours allotted for sleep, and, ideally, we sleep all in one go.

Several inventors did pioneering work on electronic voice transmission — many of whom later filed intellectual property lawsuits when telephone use exploded — but it was Scottish inventor Alexander Graham Bell who was the first to be awarded a patent for the electric telephone on March 7, 1876 (his patent drawing is pictured above). Three days later, Bell made the first telephone call to his assistant, Thomas Watson, saying "Mr Watson, come here — I want to see you," according to author A. Edward Evenson in his book, “ The Telephone Patent Conspiracy of 1876: The Elisha Gray-Alexander Bell Controversy and Its Many Players ” (McFarland, 2015).

Bell’s inspiration for the telephone was influenced by his family. His father taught speech elocution and specialized in teaching the deaf speak, his mother, an accomplished musician, lost her hearing in later life and his wife Mabel, who he married in 1877, had been deaf since the age of five, according to Evenson. The invention quickly took off and revolutionized global business and communication. When Bell died on Aug. 2, 1922, all telephone service in the United States and Canada was stopped for one minute to honor him.

In these engines, the combustion of fuel releases a high-temperature gas, which, as it expands, applies a force to a piston, moving it. Thus, combustion engines convert chemical energy into mechanical work. Decades of engineering by many scientists went into designing the internal combustion engine, which took its (essentially) modern form in the latter half of the 19th century. The engine ushered in the Industrial Age, as well as enabling the invention of a huge variety of machines, including modern cars and aircraft.

Pictured are the operating steps of a four-stroke internal combustion engine. The strokes are as follows: 1) Intake stroke — air and vaporised fuel are drawn in. 2) Compression stroke - fuel vapor and air are compressed and ignited. 3) Power stroke — fuel combusts and the piston is pushed downwards, powering the machine. 4) Exhaust stroke — exhaust is driven out.

Not only have birth control pills, condoms and other forms of contraception sparked a sexual revolution in the developed world by allowing men and women to have sex for leisure rather than procreation, they have also drastically reduced the average number of offspring per woman in countries where they are used. With fewer mouths to feed, modern families have achieved higher standards of living and can provide better for each child. Meanwhile, on the global scale, contraceptives are helping the human population gradually level off; our number will probably stabilize by the end of the century. Certain contraceptives, such as condoms, also curb the spread of sexually transmitted diseases.

Natural and herbal contraception has been used for millennia. Condoms or ‘sheaths’ have existed in one form or another since ancient times, according to scholar Jessica Borge in her book “ Protective Practices: A History of the London Rubber Company and the Condom Business ” (McGill-Queen’s University Press, 2020), with the rubber condom developed in the 19th century. Meanwhile, the FDA approved the first oral contraceptive pill in the United States in 1960 and by 1965, more than 6.5 million American women were on the pill, according to author Jonathan Eig in his book, “The Birth of the Pill: How Four Pioneers Reinvented Sex and Launched a Revolution” (W. W. Norton & Company, 2015).  

Scientists are continuing to make advancements in birth control, with some labs even pursuing a male form of "the pill." A permanent birth-control implant called Essure was approved by the Food and Drug Administration in 2002, though in 2016, the FDA warned the implant would need stronger warnings to tell users about serious risks of using Essure. 

Related: 7 surprising facts about the pill

The internet is a global system of interconnected computer networks that is used by billions of people worldwide. In the 1960s, a team of computer scientists working for the U.S. Defense Department's ARPA (Advanced Research Projects Agency) built a communications network to connect the computers in the agency, called ARPANET, the predecessor of the internet. It used a method of data transmission called "packet switching", developed by computer scientist and team member Lawrence Roberts, based on prior work of other computer scientists. 

This technology was progressed in the 1970s by scientists Robert Kahn and Vinton Cerf, who developed the crucial communication protocols for the internet, the Transmission Control Protocol (TCP) and the Internet Protocol (IP), according to computer scientist Harry R. Lewis in his book “ Ideas That Created the Future: Classic Papers of Computer Science ” (MIT Press, 2021). For this, Kahn and Cerf are often credited as inventors of the internet”.

In 1989, the internet evolved further thanks to the invention of the World Wide Web by computer scientist Tim Berners-Lee while working at CERN (The European Organization for Nuclear Research). According to CERN , "the basic idea of the WWW was to merge the evolving technologies of computers, data networks and hypertext into a powerful and easy to use global information system." The development of the WWW opened up the world of the internet to everybody and connected the world in a way that it had never been before.  

Related: Inventor of World Wide Web snags computer science's top prize

This key invention dates back more than 2,000 years to the Ancient Roman period and became possible only after humans developed the ability to cast and shape metal. Previously, wood structures had to be built by interlocking adjacent boards geometrically a much more arduous construction process.

Until the 1790s and early 1800s, hand-wrought nails were the norm, with a blacksmith heating a square iron rod and then hammering it on four sides to create a point, according to the University of Vermont . Nail-making machines came online between the 1790s and the early 1800s. Technology for crafting nails continued to advance; After Henry Bessemer developed a process to mass-produce steel from iron, the iron nails of yesteryear slowly waned and by 1886, 10 percent of U.S. nails were created from soft steel wire, according to the University of Vermont. By 1913, 90 percent of nails produced in the U.S. were steel wire.

Meanwhile, the invention of the screw - a stronger but harder-to-insert fastener -  is usually ascribed to the Greek scholar Archimedes in the third century B.C., but was probably invented by the Pythagorean philosopher Archytas of Tarentum, according to David Blockley in his book “ Engineering: A Very Short Introduction ” (Oxford University Press, 2012).

The use of fire is one of humankind's most powerful early inventions and radically changed the way our ancient ancestors lived. Offering warmth and the ability to cook foods such as meat, the campfire was also a social gathering place. Fire also provided some protection against predators. 

The exact date fire was discovered has long remained a mystery, with some studies suggesting it was first used by hominins in Kenya 1 million years ago to cook meat. Other evidence suggests that Neanderthals in Europe and Asia harnessed fire , while Homo sapiens evolving in Africa mastered the skill of creating fire. More recently, archaeologists in Israel found evidence of hominin fire use dating to 1.5 million to 2 million years ago.

Ancient Romans are credited as one of the first societies to use concrete in architecture, with Roman bathhouses and iconic sites such as the Colosseumand Pantheon dome constructed using concrete mixed with volcanic ash, lime, and seawater. Incredibly, many of these ancient buildings are not only standing, but remain in good condition some 2,000 years later — a testament to the longevity of Roman concrete . However, the ancient Egyptians used a crude form of concrete in their buildings much earlier in 3000 B.C., employing forms of concrete mixed with ash and salt water to create mortar. One study concluded that parts of the Great Pyramids of Giza might have been built using concrete . Concrete is strong in compression but breaks easily in tension, so the invention of reinforced steel-concrete toward the end of the 19th century in France, which lends concrete some of steel's tensile strength, enabled concrete to be used more widely in construction.

Franciscan friar and Oxford University scholar Roger Bacon first developed the magnifying glass in 1268. Sometimes dubbed "Britain's first scientist,"' Bacon's magnifying glass built on research by Muslim scholars .

However, the use of optical tools dates back much further. Evidence suggests that as early as 700 B.C., people in ancient Egypt noticed that they could look through crystals to improve vision.

The first battery dates back to 1800, when Italian physicist Alessandro Volta wrapped stacked discs of copper and zinc in a cloth, submerged it in salty water and discovered that it conducted energy. In 1802, Scottish professor William Cruickshank invented a variation of Volta's design known as the trough battery , which consisted of 50 discs of copper and zinc in a wooden box filled with a salt solution to conduct energy. However, it was French physicist Gaston Planté who invented the first practically used battery, in 1859. Modern variations on Planté's rechargeable lead-acid battery are still used in cars today.

The 15th century marked the beginning of the great voyages of discovery by adventurers and sea merchants and the development of a global ocean trade network . Trading vessels carried highly prized silk, spices, salt, wine and tea across often-treacherous seas for months on end. After the loss of four ships at sea in the Scilly naval disaster of 1707 , seafarers realized they needed an accurate way to determine longitude when out of sight of land.

In 1714, the British parliament offered a prize of 20,000 pounds to anyone who could solve the problem. Carpenter John Harrison won the bounty in 1735 with his marine chronometer. What is perhaps even more remarkable is that Harrison was a self-taught clockmaker. His ingenious timekeeping device was powered by the rocking motion of the ship rather than by gravity and could be used by sailors to accurately calculate longitude at sea.

The ability for humans to fly has captured the imagination of inventors for centuries, with the first human-operated flight taking place in 1783 when Joseph-Michael and Jacques-Ètienne Montgolfier took to the skies in a hot air balloon. In 1853 British engineer George Cayley designed the first glider to successfully take flight, but it wasn’t until 1903 that Orville and Wilbur Wright's plane became the first airplane to have a successful voyage. It not only took off from Kitty Hawk, North Carolina using its own power; it flew and landed without destruction, unlike many earlier aircraft inventions. The Wright brothers were inspired by watching' birds in flight. The glider took a page from birds' wings but had a 32-foot (10 meters) wingspan.

Refrigeration in some form has been around for thousands of years. Depending on the climate, ice or cold water was used to keep food cold in ancient times. But artificial refrigeration didn't come until 1748, when the physician William Cullen  first demonstrated evaporative cooling. Further breakthroughs came in 1834, when a vapor-compression system was developed by American engineer Jacob Perkins . In 1876, German engineer Carl von Linde came up with a process of liquifying the gas, ushering in the era of commercial refrigeration. In 1913, American engineer Fred Wolf invented the first domestic refrigerator , and as demand for fresh produce grew, so did the number of households with refrigerators.

Nuclear energy was first discovered in the 1930s by Italian physicist Enrico Fermi , who found that bombarding atoms with neutrons could split them, generating huge amounts of energy. He went on to develop the first nuclear chain reaction at the University of Chicago. This successful experiment led to the development of several nuclear plants in the 1950s, with Idaho launching the first nuclear plant in 1951 with electricity produced from atomic energy at its Experimental Breeder Reactor I site. Obninsk in the former Soviet Union became the first grid-connected nuclear power plant in the world in 1954, while Shippingport nuclear plant, Pennsylvania became the first commercial nuclear plant in 1957.

Nuclear power remains widely used around the world today, generating approximately 10% of global energy .

One problem is that existing nuclear power plants use fission to split atoms, and this produces radioactive substances that take ages to decay. And the risks of nuclear disasters, such as those at Chernobyl and the Fukushima-Daiichi nuclear power plant, highlight the challenges of fission-based nuclear power.

So scientists are working to create usable nuclear fusion reactors, which could theoretically generate clean, limitless energy. In 2022, scientists reported a minor breakthrough: a fusion reactor that generated more energy than was put into it. However, we're still a long way from a usable fusion reactor , experts say.

The World Health Organization (WHO) estimates that approximately 2 million to 3 million lives are saved annually thanks to vaccinations against contagious diseases such as diphtheria, tetanus and measles.

The earliest rudimentary vaccination is thought to date back to the 10th century in China, when people inoculated small scratches in the skin with small doses of smallpox to provide protection against the disease. But in 1796, English physician Edward Jenner discovered that milkmaids rarely caught or died of smallpox because they were previously infected by the cowpox virus , also called Vaccinia. So he used cowpox to develop a smallpox vaccine. He inoculated an 8-year-old boy with cowpox and then with smallpox, and the boy never caught the deadly scourge. Jenner's experiment led to the creation of a smallpox vaccine and his work is regarded as the start of immunology. In 1980, smallpox was declared officially eradicated by WHO. But scientists continue to develop new life-saving vaccines — most notably, the coronavirus vaccines that played a large role in combatting the pandemic .

Like many famous inventions, the X-ray was discovered by accident. In 1895, German engineer and physicist Wilhelm Conrad Röntgen was undertaking a two-month study into the potential of radiation. In an experiment testing whether cathode rays could pass through glass, he noticed that the radiation was able to pass through screens of considerable thickness, leaving a shadow of solid objects. He soon discovered that X-rays could pass through human tissues to show a clear picture of the skeleton and organs. A year later, a group of physicians took the earliest X-rays on patients . These observations led to the development of radiology as we know it today and has since helped medical professionals diagnose broken bones, tumors, organ failures and more.

Editor's Note: This story was updated to correct the location of Edison's lab. It was Menlo Park, New Jersey, not Menlo Park, California.

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Natalie Wolchover was a staff writer for Live Science from 2010 to 2012 and is currently a senior physics writer and editor for Quanta Magazine. She holds a bachelor's degree in physics from Tufts University and has studied physics at the University of California, Berkeley. Along with the staff of Quanta, Wolchover won the 2022 Pulitzer Prize for explanatory writing for her work on the building of the James Webb Space Telescope. Her work has also appeared in the The Best American Science and Nature Writing and The Best Writing on Mathematics, Nature, The New Yorker and Popular Science. She was the 2016 winner of the  Evert Clark/Seth Payne Award, an annual prize for young science journalists, as well as the winner of the 2017 Science Communication Award for the American Institute of Physics. 

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89 Invention Essay Topics & Examples

Looking for a topic about invention that changed the world? You’re in the right place! Find the best invention essay examples and title ideas below.

🏆 Top Invention Essay Examples

📱 interesting invention speech topics, 👍 good essay topics on invention, ❓ invention research questions.

An invention is an innovative method, device, or process. Whether it is a small improvement or a radical breakthrough, an invention is something that changes production processes and the everyday life of people. Both the wheel and a super-modern smartphone are examples of inventions.

In your invention essay, you might want to discuss the importance of inventing in our life. Another option is to talk about a famous or your favorite invention. Want to get more ideas? In this article, we’ve gathered the best invention essay examples, speech topics, and titles. Go on reading to learn more.

• Electricity Is the Most Important Invention This process began centuries ago, yet its most active stage was launched in the middle of the nineteenth century, and one of the major moving forces of the rapid technological development was the reception and […]
• The Invention of Internet Several events led to the advancement of the internet in the world today. The level of computer literacy in the world played a leading role in the advancement of internet as teachers and students wanted […]
• Ancient Chinese Contributions and Inventions Trying to point to ten most useful inventions and contributions of the Ancient China, it was really difficult to select the most necessary ones as Ancient China is famous for its contribution into the development […]
• The Inventions of Thomas Edison Many new developments appeared due to Edison’s achievements, who was one of the founders of the practical application of current. The introduction of compressed current energy marked the transition to a new technological era.
• Dynamite Invention Influence on Politics, Society, and Economy The duality of the impact of the invention of dynamite is present in each of the three major civilizational areas mentioned above.
• The Gunpowder Invention and Its Impacts on the World In the present times, the production of gunpowder still goes on as a continuation of the works of the ancient alchemists from China.
• Papyrus: Its Invention and Impact on the World The invention of papyrus paper by the Egyptians changed the scene since papyrus-paper proved to be the ideal writing material of the time.
• Inventions That the World Would Do Without For instance, the invention of communication technology has been of great help to the entire world because of the convenience and reliability it has come with.
• Invention of Light Bulbs by Davy: Ethical Issues This was a pivotal moment when Humphrey picked up an interest in the field of electrochemistry in the year 1808 because it led to discovery of the most famous invention in his life which was […]
• Alexander Graham Bell and the Passion for Invention It was a very short notice and since I had counted on working on my telephone project in the spring of 1870, I was at first not ready to move with my parents.
• The Motion Picture Invention and Inventors John Isaac played a key role in helping Eadweard to develop a technology used to take the first motion picture of a galloping horse.
• The Flute Advancement and Its Invention The volume of the flute is dependent on the resonator’s size, the size of the air stream or the velocity of the air stream.
• Golden Age of Islam: Inventions and Success in Science The achievements of the Muslim technology and science contributed to the development of the Western society and helped Europe come out of the Dark Ages.
• Impact of the Invention of the Camera on Art The invention of the camera immensely impacted the arts, especially in terms of painting. On the other hand, the camera’s invention spurred the development of new art directions, namely, Realism and Impressionism.
• The Invention of Television According to Street, Paul Nipkow developed the Nipkow disc in 1884, which was capable of transmitting pictures by use of a cable. In the earlier times, it was hard to send a message for its […]
• Luc Sante “The Invention of the Blues” and John Jeremiah Sullivan “Unknown Bards” Personally, I have found the article “The Invention of the Blues” by Sante important because it explains in details the origin of the music genre.
• Nikola Tesla’s Inventions and Achievements It is interesting to discuss that Tesla’s AC system led to the event in the history of the scientific and commercial world called the war of the currents.
• The Progressive Era and Its Technological Inventions Moreover, the period marked the shift from the agrarian to the urban society, and many critics referred to it as the age of reforms in American history.
• Phonograph Invention and Evolution The time period the phonograph was invented and the circumstances that led to the invention. The invention and advancement of the phonograph and its operations has had a part to play on other inventions.
• Ancient Chinese Inventions and Contributions In spite of this stereotype, China is the Motherland of many inventions of the past. Gunpowder is one of the most significant and well-known inventions of ancient China.
• The Invention of Development On being sworn in as the president of the United States, Rist notes, Truman introduced the term, underdevelopment, as a new concept of regarding the impoverished regions of the world.
• Discovery Versus Invention: Understanding, Comparison and Principles of the Subject The earlier example of gods invented to explain cosmology is an area where the knowledge was true for its time in the sense that it organized the universe and the world, but was later replaced […]
• The Enable Talk Gloves: Invention’s Pros & Cons The gloves have special sensors that turn the signs into texts on a smartphone that also turns the texts into speech. This invention will impact the participation of people with speech problems in the activities […]
• Biomimicry: Inventions Inspired by Nature The main idea or aim of biomimicry is that nature is able to provide humanity with brilliant solutions that can and need to be used.
• Umbrella and Its Invention in Different Cultures An umbrella in ancient China was not only the item of sun protection, but it was also a symbol of a high rank and nobility of its owner.
• Technological Inventions: The Adverse Effects The whole issue necessitates concerted efforts from all humans and the acceptance that people’s knowledge is limited for the realization of a real solution.
• George Washington Carver’s Life, Honors, and Inventions Born into slavery in 1864, he went on to become a renowned educator and innovator whose contributions were critical to the success of the agricultural industry in the United States, particularly in the Southern states.
• Inventions of the Ancient Romans The Romans built some of the most impressive buildings in the world, including the Pantheon and the Colosseum. Thus, the Romans were ahead of their time, and their legacy continues to shape modern engineering and […]
• The Invention and the Power of Music This moment was the beginning of a practical study of the benefits of music therapy for the mental and physical condition of a person.
• Walter Benjamin’s Article: The Invention of Photography In “The Work of Art in the Age of Mechanical Reproduction”, Walter Benjamin discusses how the invention of photography and other mechanical reproduction forms has changed how people perceive works of art.
• Spectrophotometers: Invention and Development Jensen explains that spectrophotometers can be used to make measurements where previous methods were unable to, like measuring the amount of light absorbed by a substance at different wavelengths.
• The Lego Company’s Inventions and Reinvention Hasbro and Barbie, the Lego company has the capacity to widen its range of products and diversify. The Lego company realized the importance of its community, and effectively used it in order to improve its […]
• Testing New Invention: Blender Switch The purpose of the analysis will be to determine if the proportion of returned blenders with new switches were deferent from the proportion of blenders with old switches.
• Social Needs: Inventions and Innovations The Pony Express was birthed in 1861 in the US with the primary goal of delivering mail and in the same breath, Coleman Sellers invented a Kinematoscope.
• Radio Technology Invention and Development In 1906 he broadcasted a Christmas concert, including his voice and violin play with the help of 400-foot towers to the ships of the United Fruit Company, which were equipped with Marconi’s radios. In 1922 […]
• The Invention of Daguerreotypes Overall, the work on the daguerreotypes began in 1727, when Schulze introduced his important innovations into photography; it continued in the beginning of the 1800s, when the rudimentary camera obscura was created and actively used; […]
• Computers: The History of Invention and Development It is treated as a reliable machine able to process and store a large amount of data and help out in any situation.”The storage, retrieval, and use of information are more important than ever” since […]
• “John Koza Has Built an Invention Machine” by Jonathon Keat In other words, a new scientific solution of a genius can be appropriate only when the society draws to a head with a little bit mere understanding of the scientific flow at a definite epoch […]
• Invention of Photography and Its Social Impact Although photography was invented in its full form only in 1835, an understanding of the social impact that was a result of the invention of photography is rightly portrayed by Azoulay in his article “The […]
• Photography: Brief History of Invention At that time all images produced were in black and white and eventually all masters of the art came to believe that the only artistic way to record photographic images was in black and white. […]
• Two Inventions Comarison: Telephone and Internet However, the history of the first inventor of the telephone is shrouded in mystery with the name of Elisha Gray attached with the invention of the first telephone.
• Airplnane: Description of the Invention The credit for the invention of the first powered airplane goes to the Wright brothers Orville and Wilbur. The worlds first powered, sustained and controlled flight in a heavier-than-air airplane was achieved by the Wright […]
• Rome and the Invention of the West In ” The Aeneid,” Virgil tells of the adventures of the hero of the Trojan war, Aeneas, who was destined by the gods to stay alive after the destruction of Troy to come to Italy […]
• “Invention as a Social Act” Analysis The paper is divided into four parts: social aspects of the invention, invention as a dialectical process, invention as an act, and classical criteria for a social view of the invention.
• Sickle Cell Disease and Scientific Inventions The disease is caused by a gene that is linked to the production of mutant hemoglobin. This is due to advance treatment and management of the disease”.
• Optical Tools: History of Invention and Consequential Development Nevertheless, as the socio-cultural progress in this part of the world continued to gain a powerful momentum, the idea of using lenses to create optical devices began to appeal to more and more intellectually advanced […]
• Television, Its Invention and Technical Evolution The history of television involves the contribution of several engineers from different parts of the world. This paper seeks to explore the technical evolution of the television from its invention to the current developments.
• Visual Communications and Technological Inventions The invention of the printing press altered the history of the world the most notable one being the reduction of the power of the church.
• The Invention of Cinema at the End of the XIX Century First attempt to introduce the idea of moving pictures traces back to middle of the seventeenth century, when Athanasius Kircher “who projected crude hand-painted images of the Devil…on the wall of a darkened chamber by […]
• Ancient Chinese Inventions History In this article, I highlight some of the inventions and contributions and examine four that I consider to be outstanding. A sample of these inventions and contributions include “silk, tea, porcelain, paper, printing, gunpowder, the […]
• Invention in Writing It refers to the creation of new ideas in relation to the question given or the use of old ideas to come up with new ideas in writing.
• Apple Company: Development, Inventions, Expansion This essay provides an insight into the development of the Apple Company and the various personalities that have contributed to its growth.
• Collective Invention During Industrial Revolution The major similarity between collective invention and heroic individual invention is that both provided important source of innovations during the early stages of industrialization.
• Telescope and Microscope Discovery Combo The paper will look into the history of the discoveries and their effects in the development of the human well beings as well as the enhancement of the human understanding of the surrounding nature in […]
• Thomas Edison’s Kinetoscope As he famously used to say, the Kinetoscope did with the eye the same thing the phonograph did to the ear.
• Aviation Industry and Its Prominent Inventions The above are some of the most influential aviation inventions ever made in the history of the industry. Given the failure in the development of manned aircraft by Russia, it is safe to conclude that […]
• Marcel Duchamp’s Invention of ‘The Readymade’ In his invention of readymade art, Duchamp based his artwork on the belief that creative art was not made from the perspective of the artist but from the point of view of the spectator who […]
• Modeling, Prototyping and CASE Tools: The Inventions to Support the Computer Engineering Despite the fact that the engineering is constantly being enriched with the new notions and techniques which add the new ways and methods to make the process of engineering quicker and flawless, the science still […]
• The Period Encompassing the Invention of Cinema Therefore, because of the establishment of the photographic film at that time that required the use of great illumination, the application of the electric spotlight that was introduced in 1904 in theatres became essential in […]
• US Inventions: Electronic Appliances and Transport Facilities Fortunately, the inventions of recorders, compact disks, and radio led to the spread of the music in other parts of the world.
• How Did the Invention of Agriculture Allowed Stable?
• How Did the Invention of the First American Transcontinental Affect the Nation?
• How Has the Invention and Use of Television Affected Human Life?
• How Has the Invention of Contact Lenses Affected People’s Sight?
• How Has the Invention of Social Media Affected Human Life Over Time?
• How Has the Invention of Vaccines Helped the World?
• How Remix Culture Fuels Creativity and Invention?
• How Did Television Change Since Its Invention?
• How the Bit Was Born: Claude Shannon and the Invention of Information?
• How Has the Invention and Use of the Computer Changed Lives in the 21st Century?
• How Venture Capital Works: Invention and Innovation Drive?
• Was Modern Art Greater Influenced by the Invention of the Camera or Kindergarten?
• What Are the Invention That Changed the 20th Century?
• What Brought About the Invention of Response Cards?
• What Did the Invention of the Bicycle as an Alternative Model?
• What Can the Invention Be Made for a Healthier?
• What Inspires Leisure Time Invention?
• What Invention Would the World Be Better off Without, and Why?
• Which Invention Has Had the Most Significant Effect on Our Lives in the Last Two Hundred Years?
• Which Invention Was More Important: The Internet or the Telegraph?
• Which Invention Has Made the Most Impact on Our Lives?
• What Was Invented in 2021?
• Why Is the Internet Most Important Invention?
• Why the Gatling Gun Is an Invention of Great Importance to the Science of Warfare?
• Computers: The Greatest Invention of the Century?
• Does Compulsory Licensing Discourage Invention?
• The Microscope: Science’s Greatest Invention?
• Bicycle Research Topics
• Electronics Engineering Paper Topics
• Industrial Revolution Research Ideas
• Leonardo da Vinci Questions
• Inspiration Topics
• Software Engineering Topics
• Thomas Jefferson Ideas
• Vaccination Research Topics
• Chicago (A-D)
• Chicago (N-B)

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11 Innovations That Changed History

By: Evan Andrews

Updated: May 5, 2023 | Original: December 18, 2012

1. The Printing Press

Prior to the rise of the Internet, no innovation did more for the spread and democratization of knowledge than Johannes Gutenberg’s printing press . Developed around 1440 in Mainz, Germany, Gutenberg’s machine improved on already existing presses through the use of a mold that allowed for the rapid production of lead alloy-type pieces. This assembly line method of copying books enabled a single printing press to create as many as 3,600 pages per day. By 1500 over 1,000 Gutenberg presses were operating in Europe, and by 1600 they had created over 200 million new books. The printing press not only made books affordable for the lower classes, but it helped spark the Age of Enlightenment and facilitated the spread of new and often controversial ideas. In 1518 followers of the German monk Martin Luther used the printing press to copy and disseminate his seminal work “ The Ninety-Five Theses ,” which jumpstarted the Protestant Reformation and spurred conflicts like the Thirty Years’ War (1618-48). The printing press proved so influential in prompting revolutions, religious upheaval and scientific thought that Mark Twain would later write, “What the world is today, good and bad, it owes to Gutenberg.”

2. The Compass

Magnetic compasses may have been made somewhat obsolete by satellites and global positioning systems, but their impact on early navigation and exploration was inestimable. Originally invented in China , by the 14th century compasses had widely replaced astronomical means as the primary navigational instrument for mariners. The compass provided explorers with a reliable method for traversing the world’s oceans, a breakthrough that ignited the Age of Discovery and won Europe the wealth and power that later fueled the Industrial Revolution . Most importantly, the compass allowed for interaction—both peaceful and otherwise—between previously isolated world cultures.

3. Paper Currency

Throughout much of human history, money took the form of precious metals, coins and even raw materials like livestock or vegetables. The inception of paper money ushered in a bold new era—a world in which currency could purchase goods and services despite having no intrinsic value. Paper currency was widely used in China in the ninth century, but did not appear in Europe until the late 1600s. Spurred on by frequent shortages of coins, banks issued paper notes as a promise against future payments of precious metals. By the late 19th century many nations had begun issuing government-backed legal tender that could no longer be converted into gold or silver. The switch to paper money not only bailed out struggling governments during times of crisis—as it did for the United States during the Civil War —but it also ushered in a new era of international monetary regulation that changed the face of global economics. Perhaps even more importantly, paper currency was the vital first step in a new monetary system that led to the birth of credit cards and electronic banking.

While early human societies made extensive use of stone, bronze and iron, it was steel that fueled the Industrial Revolution and built modern cities. Evidence of steel tools dates back 4,000 years, but the alloy was not mass-produced until the invention of the Bessemer Process, a technique for creating steel using molten pig iron, in the 1850s. Steel then exploded into one of the biggest industries on the planet and was used in the creation of everything from bridges and railroads to skyscrapers and engines. It proved particularly influential in North America, where massive iron ore deposits helped the United States become one of the world’s biggest economies.

5. The Electric Light

While they are easy to take for granted, all it takes is a short power outage to remind us of the importance of artificial lights. Pioneered in the early 19th century by Humphry Davy and his carbon arc lamp, electric lights developed throughout the 1800s thanks to the efforts of inventors like Warren de la Rue, Joseph Wilson Swan and Thomas Alva Edison . It was Edison and Swan who patented the first long-lasting light bulbs in 1879 and 1880, liberating society from a near-total reliance on daylight. Electric lights went on to be used in everything from home lighting and street lamps to flashlights and car headlights. The complex networks of wires erected to power early light bulbs also helped lead to the first domestic electrical wiring, paving the way for countless other in-home appliances.

6. Domestication of the Horse

Since their domestication some 5,500 years ago, horses have been inextricably tied to human development. They enabled people to travel great distances and gave different cultures the chance to trade and exchange ideas and technology. Equine strength and agility meant that horses could also carry cargo, plow farmland and even clear forests. Perhaps most influential of all, horses changed the nature of war. Nothing was more feared than a horse-drawn chariot or a mounted warrior, and societies that mastered the use of cavalry typically prevailed in battle.

7. Transistors

A criminally under-appreciated innovation, the transistor is an essential component in nearly every modern electronic gadget. First developed in late 1947 by Bell Laboratories, these tiny semiconductor devices allow for precise control of the amount and flow of current through circuit boards. Originally used in radios, transistors have since become an elemental piece of the circuitry in countless electronic devices including televisions, cell phones and computers. The amount of transistors in integrated circuits doubles nearly every two years—a phenomenon known as Moore’s Law—so their remarkable impact on technology will only continue to grow.

8. Magnifying Lenses

Magnifying lenses might seem like an unremarkable invention, but their use has offered mankind a glimpse of everything from distant stars and galaxies to the minute workings of living cells. Lenses first came into use in the 13th century as an aid for the weak-sighted, and the first microscopes and telescopes followed in the late 16th and early 17th centuries. Figures like Robert Hook and Anton van Leeuwenhoek would go on to use microscopes in the early observance of cells and other particles, while Galileo Galilei and Johannes Kepler employed the telescope to chart Earth’s place in the cosmos. These early uses were the first steps in the development of astonishing devices like the electron microscope and the Hubble Space Telescope . Magnifying lenses have since led to new breakthroughs in an abundance of fields including astronomy, biology, archeology, optometry and surgery.

9. The Telegraph

The telegraph was the first in a long line of communications breakthroughs that later included radio, telephones and email. Pioneered by a variety of inventors in the 18th and 19th centuries, the telegraph used Samuel Morse’s famous Morse code to convey messages by intermittently stopping the flow of electricity along communications wires. Telegraph lines multiplied throughout the 1850s, and by 1902 transoceanic cables encircled the globe. The original telegraph and its wireless successors went on to be the first major advancements in worldwide communication. The ability to send messages rapidly across great distances made an indelible impact on government, trade, banking, industry, warfare and news media, and formed the bedrock of the information age.

10. Antibiotics

A giant step forward in the field of medicine, antibiotics saved millions of lives by killing and preventing the growth of harmful bacteria. Scientists like Louis Pasteur and Joseph Lister were the first to recognize and attempt to combat bacteria, but it was Alexander Fleming who made the first leap in antibiotics when he accidentally discovered the bacteria-inhibiting mold known as penicillin in 1928. Antibiotics proved to be a major improvement on antiseptics—which killed human cells along with bacteria—and their use spread rapidly throughout the 20th century. Nowhere was their effect more apparent than on the battlefield: While nearly 20 percent of soldiers who contracted bacterial pneumonia died in World War I , with antibiotics—namely Penicillin—that number dropped to only 1 percent during World War II . Antibiotics including penicillin, vancomycin, cephalosporin and streptomycin have gone on to fight nearly every known form of infection, including influenza, malaria, meningitis, tuberculosis and most sexually transmitted diseases.

11. The Steam Engine

Cars, airplanes, factories, trains, spacecraft—none of these transportation methods would have been possible if not for the early breakthrough of the steam engine. The first practical use of external combustion dates back to 1698, when Thomas Savery developed a steam-powered water pump. Steam engines were then perfected in the late 1700s by James Watt, and went on to fuel one of the most momentous technological leaps in human history during the Industrial Revolution . Throughout the 1800s external combustion allowed for exponential improvement in transportation, agriculture and manufacturing, and also powered the rise of world superpowers like Great Britain and the United States. Most important of all, the steam engine’s basic principle of energy-into-motion set the stage for later innovations like internal combustion engines and jet turbines, which prompted the rise of cars and aircraft during the 20th century.

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The 10 Inventions that Changed the World

The U.S. librarian of Congress ranks history's most important innovations.

Thomas Edison liked to say that he never failed. He succeeded every now and again with an invention that would change the world. The rest of the time, he tried thousands of other things with only one fault—that they would never work.

That’s the sort of spirit and tenacity that leads to progress, says Carla Hayden , the U.S. librarian of Congress. The library keeps archives of many of America’s copyrights and blueprints, so National Geographic asked Hayden to list what she considers 10 of the most meaningful advances in history—the inventions and innovations responsible for the trappings of modern life.

Ranking innovations is more art than science. Can you really compare a camera to an airplane? But while progress is incremental, it’s also exponential; it builds on itself. The printing press allowed literacy to spread and thinkers to share ideas and, thus, invent more things.

Modern inventions tend more toward improving than transforming: an app that connects the world in a better way, planes that fly farther, faster. But there’s still room, every so often, for dramatic advances like, say, 3-D printing or the Internet. “There will be more great leaps,” says Hayden. “We have a momentum and acceleration I think we can all feel.”

Top 10 innovations

• Printing press
• Personal computer
• Refrigeration

Related Topics

• HISTORY AND CIVILIZATION
• SCIENCE AND TECHNOLOGY

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