Recent Inventions That Changed the World Profoundly

Here are the some most popular inventions of the 18th, 19th and 20th centuries, from the cotton gin to the camera.

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The Telephone

The telephone is an instrument that converts voice and sound signals into electrical impulses for transmission by wire to a different location, where another telephone receives the electrical impulses and turns them back into recognizable sounds. In 1875, Alexander Graham Bell built the first telephone to electrically transmit the human voice. Nearly 100 years later, Gregorio Zara invented the videophone that debuted at the 1964 New York World's Fair.

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The History of Computers

There are many major milestones in the history of computers, starting with 1936 when Konrad Zuse built the first freely programmable computer.

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Television

family watching TV — H. Armstrong Roberts/ClassicStock/Getty Images

In 1884, Paul Nipkow sent images over wires using a rotating metal disk technology with 18 lines of resolution. Television then evolved along two paths — mechanical based on Nipkow's rotating disks, and electronic based on the cathode ray tube. American Charles Jenkins and Scotsman John Baird followed the mechanical model while Philo Farnsworth, working independently in San Francisco, and Russian émigré Vladimir Zworkin, working for Westinghouse and later RCA, advanced the electronic model.

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The Automobile

line up of toy cars — Image by Catherine MacBride/Getty Images

In 1769, the very first self-propelled road vehicle was invented by French mechanic Nicolas Joseph Cugnot. It was a steam-powered model. In 1885, Karl Benz designed and built the world's first practical automobile to be powered by an internal-combustion engine. In 1885, Gottlieb Daimler took the internal combustion engine a step further and patented what is generally recognized as the prototype of the modern gas engine and later built the world's first four-wheeled motor vehicle.

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The Cotton Gin

Eli Whitney patented the cotton gin — a machine that separates seeds, hulls and other unwanted materials from cotton after it has been picked — on March 14, 1794.

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The Camera

original camera — Keystone-France/Getty Images

In 1814, Joseph Nicéphore Niépce created the first photographic image with a camera obscura. However, the image required eight hours of light exposure and later faded. Louis-Jacques-Mandé Daguerre is considered the inventor of the first practical process of photography in 1837.

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The Steam Engine

steam engine on its side, rusted — Michael Runkel/Getty Images

Thomas Savery was an English military engineer and inventor who, in 1698, patented the first crude steam engine. Thomas Newcomen invented the atmospheric steam engine in 1712. James Watt improved Newcomen's design and invented what is considered the first modern steam engine in 1765.

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The Sewing Machine

The first functional sewing machine was invented by the French tailor, Barthelemy Thimonnier, in 1830. In 1834, Walter Hunt built America's first (somewhat) successful sewing machine. Elias Howe patented the first lockstitch sewing machine in 1846. Isaac Singer invented the up-and-down motion mechanism. In 1857, James Gibbs patented the first chain-stitch single-thread sewing machine. Helen Augusta Blanchard patented the first zig-zag stitch machine in 1873.

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The Light Bulb

Contrary to popular belief, Thomas Alva Edison didn't "invent" the lightbulb, but rather he improved upon a 50-year-old idea. In 1809, Humphry Davy, an English chemist, invented the first electric light. In 1878, Sir Joseph Wilson Swan, an English physicist, was the first person to invent a practical and the longer-lasting electric light bulb (13.5 hours) with a carbon fiber filament. In 1879, Thomas Alva Edison invented a carbon filament that burned for 40 hours.

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Penicillin

Alexander Fleming discovered penicillin in 1928. Andrew Moyer patented the first method of industrial production of penicillin in 1948.

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Bellis, Mary. "The Most Impactful Inventions of the Last 300 Years." ThoughtCo, Feb. 16, 2021, thoughtco.com/list-of-popular-inventions-1991680. Bellis, Mary. (2021, February 16). The Most Impactful Inventions of the Last 300 Years. Retrieved from https://www.thoughtco.com/list-of-popular-inventions-1991680 Bellis, Mary. "The Most Impactful Inventions of the Last 300 Years." ThoughtCo. https://www.thoughtco.com/list-of-popular-inventions-1991680 (accessed June 6, 2023).