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30 idées de voyage pour renouveler l horizon

30 idées de voyage pour renouveler l horizon
lesechos.fr - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from lesechos.fr Daily Mail and Mail on Sunday newspapers.

Ida Noddack and the trouble with element 43

By Rachel Brazil2021-05-11T08:54:00+01:00 The German chemist discovered one element and may have been the first to suggest nuclear fission – but her legacy is troubled, as Rachel Brazil discovers ‘We want a heroine or a martyr’ when we read about forgotten women scientists, says Brigitte van Tiggelen, the Science History Institute’s director of European operations. Ida Noddack does not fit that description. Her legacy is complicated by her work for the academic regime set up by the Nazi government in 1930s Germany, which likely clouded post-war judgement of her work. But even before the war, Noddack’s insights were ignored and diminished by scientific contemporaries. As well as discovering the element rhenium, one of the last of the naturally occurring elements to be discovered, she suggested that bombardment of heavy nuclei could lead to their breakup, four years before the idea of nuclear fission was widely accepted. But disputed claims to have discovered the element te

Sidereus Nuncius : Why Spain s National Library covered up the theft of a Galileo original work | Culture

Sidereus Nuncius, or Sidereal Messenger, an astronomical treatise published by Italian astronomer Galileo Galilei in 1610. The National Police’s historical patrimony department has been investigating the work’s disappearance since 2018. According to specialists who spoke to EL PAÍS, the Latin treatise is worth around €800,000. In the work, Galileo describes the astronomical discoveries he made after building and perfecting a telescope in 1609, including that the moon is mountainous, that Jupiter has four moons and that the Milky Way is made up of separate stars. It took the National Library four years and four months to report the theft – even though the technical department had known that the original had been replaced by a copy since May 2014, when book restorers discovered it by accident during a program to preserve old books from acid-deterioration called IFADU. But despite this discovery, in these four intervening years, the forged copy of

El terrorismo segó la vida de 89 gallegos en medio siglo de tiranía

El terrorismo segó la vida de 89 gallegos en medio siglo de tiranía
elcorreogallego.es - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from elcorreogallego.es Daily Mail and Mail on Sunday newspapers.

El Coro Gaztelupe quiere viajar pronto

El Coro Gaztelupe quiere viajar pronto
diariovasco.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from diariovasco.com Daily Mail and Mail on Sunday newspapers.

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