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Timeline of United States inventions (1890–1945) Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets. [2] This ...
Timeline of United States inventions (before 1890) Eli Whitney (1765–1825) is best known for inventing the cotton gin in October 1793 and patenting it on March 14, 1794; [1] a key invention of the Industrial Revolution that shaped the economy of the antebellum South. [2]
The telegraph represented a disruptive innovation in the history of the United States from its invention in the 1830s onward by quickly becoming a vital part of the nation's communication infrastructure. Its relative importance declined with the spread of telephones in the 20th century. Telegraph service permitted short texts to be sent cheaply ...
The city of Philadelphia was founded and incorporated in 1682 by William Penn in the English Crown Province of Pennsylvania between the Delaware and Schuylkill rivers. Before then, the area was inhabited by the Lenape people. Philadelphia quickly grew into an important colonial city and during the American Revolution was the site of the First ...
The story of Rudolph Fentz is an urban legend from the early 1950s and has been repeated since as a reproduction of facts and presented as evidence for the existence of time travel. The essence of the legend is that in New York City in 1951 a man wearing 19th-century clothes was hit by a car. The subsequent investigation revealed that the man ...
Elizabeth Cochrane Seaman (born Elizabeth Jane Cochran; May 5, 1864 – January 27, 1922), better known by her pen name Nellie Bly, was an American journalist, who was widely known for her record-breaking trip around the world in 72 days in emulation of Jules Verne's fictional character Phileas Fogg, and an exposé in which she worked undercover to report on a mental institution from within. [1]
The Wright brothers, Orville Wright (August 19, 1871 – January 30, 1948) and Wilbur Wright (April 16, 1867 – May 30, 1912), were American aviation pioneers generally credited with inventing, building, and flying the world's first successful airplane. [3] [4] [5] They made the first controlled, sustained flight of an engine-powered, heavier ...
1952:The first thermonuclear weaponis developed. 1953:The first video tape recorder, a helical scan recorder, is invented by Norikazu Sawazaki. 1954:Invention of the solar battery by Bell Telephone scientists, Calvin Souther Fuller, Daryl Chapin and Gerald Pearson capturing the Sun's power.