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The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
A hoverboard (or hover board) is a fictional levitating board used for personal transportation, first described in science-fiction, and made famous by the appearance of a skateboard-like hoverboard in the film Back to the Future Part II. Many attempts have been made to invent a functioning hoverboard.
The Slinky was invented in 1943 by American engineer Richard T. James while working in his home laboratory to invent a set of springs that could be used to support sensitive instruments on board ships and stabilize them even in rough seas. When he once accidentally knocked one of his springs off a shelf, James saw that, rather than flopping in ...
Shane Chen (Chinese: 陈星; [1] born 10 February 1956 in Beijing, China) is a Chinese-American inventor and entrepreneur based in Camas, Washington. [2] He is best known for inventing the self-balancing hoverboard. [3] [4]
A self-balancing scooter (also hoverboard, self-balancing board, segway, [1] swegway or electric scooter board) is a self-balancing personal transporter consisting of two motorized wheels connected to a pair of articulated pads on which the rider places their feet. The rider controls the speed by leaning forward or backward, and direction of ...
1890s – Bike boom sweeps Europe and America with hundreds of bicycle manufacturers in the biggest bicycle craze to date; 1890 - The City and South London Railway (C&SLR) was the first deep-level underground "tube" railway in the world, [31] [note 1] and the first major railway to use electric traction; 1893 - Recumbent bicycles invented.
4th century: Simple suspension bridge, independently invented in Pre-Columbian South America, and the Hindu Kush range, of present-day Afghanistan and Pakistan. With Han dynasty travelers noting bridges being constructed from 3 or more vines or 3 ropes. [308] Later bridges constructed utilizing cables of iron chains appeared in Tibet. [309] [310]
A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.