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Scott A. Jones (born 1960), U.S. – created one of the most successful versions of voicemail as well as ChaCha Search, a human-assisted internet search engine; Tom Parry Jones (1935–2013), UK – first electronic Breathalyzer; Assen Jordanoff (1896–1967), Bulgaria – airbag
3.3 Mya – 2.6 Mya: Stone tools - found in modern-day Kenya are older and only found on the archetype road. Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5]
1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack
The Market Revolution: a change in the manual labour system originating in the Southern United States (and soon moving to the Northern United States) and later spreading to the entire world (about 1800–1900). The Second Industrial Revolution (1871–1914).
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
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.
1800 BC: The Middle Kingdom of Egypt develops Egyptian fraction notation. 1800 BC - 1600 BC: A numerical approximation for the square root of two, accurate to 6 decimal places, is recorded on YBC 7289 , a Babylonian clay tablet believed to belong to a student.
December 17 – Mary Cartwright (died 1998), English mathematician, one of the first people to analyze a dynamical system with chaos. [17] Robina Addis (died 1986), English pioneering professional psychiatric social worker. [18] Ernest Gibbins (killed 1942), English entomologist.