Used to date pottery and burnt flint (anything that hasn't been alive, but that has been exposed to heat or sunlight). See 'Some Notes on Archaeology'.
Thermoluminescence
Fact of the Day
Butchers who sold off meat in medieval London ran the risk of being placed in the pillory and having their meat burnt beneath them, so that the rancid smoke would rise into their face.
Quote of the Day
"We learn from history that man can never learn anything from history.
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~ Hegel (German philosopher, 1770-1831)
On This Day
52 BCE The Siege of Alesia formally came to an end when Vercingetorix, leader of the Gaulish forces, surrendered to Julius Caesar.
1283 Dafydd ap Gruffydd, the last independent ruler of Wales, was hanged, drawn and quartered on the orders of Edward I.
1691 The Treaty of Limerick was signed, ending the Williamite War in Ireland between the Jacobites and the supporters of William of Orange.
1932 Iraq gained independence from Britain, after 17 years of British rule.
1935 Italian forces invaded Abyssinia (modern-day Ethiopia) without a formal declaration of war.
1981 The second Irish hunger strike at Maze Prison in Northern Ireland was called off. 10 republican prisoners died in the showdown with Margaret Thatcher.