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Hace 17 horas · Thomas Wedgwood, son of Josiah Wedgwood, discovered the first photo-sensitive (light-sensitive) chemicals – silver nitrate and silver chloride in the 1790s. Sir Norman Lockyer of Rugby discovered helium in 1868, for which he used electromagnetic spectroscopy.
Hace 17 horas · Chiswick (/ ˈ tʃ ɪ z ɪ k / ⓘ CHIZ-ik) is a district in the London Borough of Hounslow, West London, England.It contains Hogarth's House, the former residence of the 18th-century English artist William Hogarth; Chiswick House, a neo-Palladian villa regarded as one of the finest in England; and Fuller's Brewery, London's largest and oldest brewery.
