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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.
1904: The Fleming valve, the first vacuum tube and diode, is invented by John Ambrose Fleming. 1907: The first free flight of a rotary-wing aircraft is carried out by Paul Cornu. 1907: Leo Baekeland invents bakelite, the first plastic made from synthetic components.
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. Timeline of United States inventions (after 1991), after the Fall of the Soviet Union.
By 1910 he developed this into the first real tube amplifier, by creating a triode. His invention of the triode is almost simultaneously created by the American Lee de Forest. Max Dieckmann and Gustav Glage use the Braun tube for playback of 20-line black-and-white images. The first jukebox with records comes on the market.
German inventions and discoveries are ideas, objects, processes or techniques invented, innovated or discovered, partially or entirely, by Germans. Often, things discovered for the first time are also called inventions and in many cases, there is no clear line between the two. German-born Albert Einstein, world-famous physicist
The early technological and industrial development in the United States was facilitated by a unique confluence of geographical, social, and economic factors. The relative lack of workers kept U.S. wages generally higher than salaries in Europe and provided an incentive to mechanize some tasks.
Inventor. Folding "cabinet-bed", forerunner of the Murphy bed; first African-American woman to receive a patent in the United States. [81][82][83] Grant, George F. 1846–1910. Dentist, professor. The first African-American professor at Harvard, Boston dentist, and inventor of a wooden golf tee.
2005 YouTube. Born from the PayPal Mafia in 2005, YouTube is the world's most popular video sharing site. In 2006, Google bought YouTube for $1.65 billion. 2006 Blu-ray Disc. A digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition. 2007 Nanowire ...