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This original "film" used a paper carrier. The first transparent plastic film was produced in 1889. Before this, glass photographic plates were used, which were far more expensive and cumbersome, although of better quality due to their size. Early film was made from flammable nitrocellulose with camphor as a plasticizer. [248] 1885 Mixer (cooking)
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
American researchers made fundamental advances in telecommunications and information technology. For example, AT&T 's Bell Laboratories spearheaded the American technological revolution with a series of inventions including the light emitting diode ( LED ), the transistor , the C programming language , and the UNIX computer operating system.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
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.
Early 3rd century: Woodblock printing is invented in Han dynasty China at sometime before 220 AD. This made China become the world's first print culture. [299] Late 3rd century – Early 4th century: Water turbine in the Roman Empire in modern-day Tunisia. [300] [301] [302]
Blue jeans have a long history in this country. Invented in the late 1800s, America introduced jeans to the world during World War II, and now people almost everywhere wear jeans.
With the invention of the cotton gin by Eli Whitney in 1794, American slaveholders had the means to make cotton production significantly more profitable. The era of King Cotton was underway by the early 1800s to such an extent that by the mid-19th century, southern slave plantations supplied 75% of the world's cotton. The introduction of the ...