A particle of an element, which sits outside the nucleus.
Electron
Fact of the Day
The name 'Plantagenet' probably comes from the sprig of broom (planta genista) Henry II's father Geoffrey used to keep in his helmet.
Quote of the Day
"Time is a great teacher, but unfortunately it kills all its students.
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~ Hector Berlioz, composer
On This Day
585 BCE The first recorded predicted solar eclipse (by Thales of Miletus) stopped a battle between the Lydians and the Medes, who agreed to a truce.
1533 Archbishop of Canterbury Thomas Cranmer declared Henry VIII's marriage to Anne Boleyn valid.
1644 Up to 1,600 civilians and supporters of parliament were killed by Royalist forces during and after fighting at Bolton. It became known as the Bolton Massacre and a staple of Parliamentarian propaganda.
1849 Author Anne Brontë died of tuberculosis, aged 29.
1937 Alfred Adler, the Austrian psychiatrist who introduced the concept of the inferiority complex, died of heart failure while on a visit to Aberdeen.
1937 Conservative politician and famous appeaser of Hitler, Neville Chamberlain, became prime minister.
1945 American-born Nazi propagandist Lord Haw-Haw (William Joyce) was shot in the buttocks and captured. He was tried in Britain for treason (despite being an American) and hanged.
