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Al-Khalili expands on the development of the electric battery following Volta's discovery that simultaneously licking a copper coin and a silver spoon would generate a tingle of electricity. [3] The programme finishes with the first breakthrough in finding a commercial use for electricity: [ 6 ] Humphry Davy demonstrating the first carbon-arc ...
[3] [self-published source] Grays Harbor, somewhat north along the coast from Columbia's mouth, is named for Robert Gray. Present day Astoria, Oregon, where John Jacob Astor would establish his trading post less than 20 years after Gray's discovery, is situated on the south shore of the Columbia estuary. [citation needed]
[1] 1431 – Diogo de Silves discovers the Azores. [1] 1434 – Gil Eanes passes Cabo de Não and becomes the first confirmed person to sail beyond Cape Bojador and return alive. [2] 1444 – Dinis Dias reaches the mouth of the Senegal River. [3] 1446 – The Portuguese reach the mainland peninsula of Cape Verde and the Gambia River. [3]
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 February 2025. Leif Erikson (c. 970 – c. 1020) was a famous Norse explorer who is credited for being the first European to set foot on American soil. Explorers are listed below with their common names, countries of origin (modern and former), centuries of activity and main areas of exploration ...
Discoverer 9, also known as Corona 9006, [1]: 236 was an American optical reconnaissance satellite launched on 4 Feb 1960 at 18:51:45 GMT, the sixth of ten operational flights of the Corona KH-1 spy satellite series, and the first of them to be equipped with a new, vacuum-proof, polyester-based film. The satellite was not successfully orbited.
Discovery is the act of detecting something new, or something previously unrecognized as meaningful, "portal". In sciences and academic disciplines, discovery is the observation of new phenomena, new actions, or new events and involves providing new reasoning to explain the knowledge gathered through such observations, using knowledge previously acquired through abstract thought and from ...