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1/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Television: John Logie Baird invented the Television and demonstrated a working television in September 1927.
2/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Robot: The first digitally operated and programmable robot was invented by George Devol in 1954.
3/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Radio: Guglielmo Marconi created the wireless telegraph system, leading to the invention of radio in December 1901.
4/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Radio Telescope: Karl Guthe Jansky built the first radio antenna to identify astronomical radio sources in 1932.
5/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Helicopter: Juan de la Cierva invented the autogyro in 1920s. In 1928, he successfully flew an autogyro across the English Channel.
6/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Escalator: It was made by Jesse Reno and its patent was granted in March 1892.
7/10 Image credit: pixabay.com 10 Inventions Of 20th Century That Changed Course Of History Computer: The first electronic computer was made by John Vincent Atanasoff and Clifford Berry in 1942.
8/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Cell Phone: The first handheld cell phone was demonstrated by Martin Cooper of Motorola in New York City in April 1973.
9/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Atomic bomb: The first atomic bomb was built in Los Alamos, New Mexico, during World War II on November 25, 1942.
10/10 Image credit: unsplash.com 10 Inventions Of 20th Century That Changed Course Of History Airplane: Wilbur and Orville Wright created the first airplane. It first flew at Kitty Hawk, North Carolina in December 1903.