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He was only 19 when he built his first steam launch.By 1877, he built the first modern torpedo boat for the Royal Navy.Physics can progress without the proofs, but we can't go on without the facts ...
Astatine exists naturally only in exceedingly small quantities because as a decay product of larger atoms, and having a half-life of only a few days, it quickly disappears by radioactively decay to become atoms of another element. Mexican archaeologist and government official who explored the early Oaxacan cultures and is best remembered for his excavation of Tomb Seven at Monte Albán, the earliest-known North American necropolis.
Steam powered lorries were a manufacturing off-shoot of his shipyard (1896) which led to a major new business building petrol-engined lorries (from 1902).« Nature bears long with those who wrong her. But when abuse has gone too far, when the time of reckoning finally comes, she is equally slow to be appeased and to turn away her wrath.
(1882) -- Nathaniel Egleston, who was writing then about deforestation, but speaks equally well about the danger of climate change today.
During WW I, he built warships including 29 destroyers and flotilla leaders, 3 submarines and coastal torpedo speedboats, which could skim over minefields.
He pioneered the use of oil fuel for the Royal Navy.She started the Women's Research Club at the University of Michigan to encourage research by women, and served as its president for several years.« German botanist and plant cytologist who accurately described the embryonic sac in gymnosperms (such as conifers) and angiosperms (flowering plants), along with demonstrating double-fertilization in angiosperms.He recognized that new cell nuclei can only result from the division of other nuclei and showed that the sperm and the egg have half the number of chromosomes found in body cells.His most famous work, Kings and Kingdoms of the Mixteca, was finished only a few days before he died in 1970. Lydia Maria De Witt (née Adams) was an American experimental pathologist who investigated the chemotherapy of tuberculosis.