A way of finding out how old volcanic rock is.
Potassium/argon dating
Fact of the Day
The Tudor Privy Council would sometimes punish those who fell out of its favour by making them wait to be seen by the Star Chamber for days, weeks, or months in London, during which time they would run up huge lodging bills. Wolsey made De Carteret of Guernsey wait for over four years.
Quote of the Day
"Blessed are the peacemakers
"
~ James I & VI's personal motto
On This Day
1914 The Panama Canal opened to commercial traffic.
1941 Josef Jakobs, a Luxembourg-born German spy, became the last person to be executed at the Tower of London, by firing squad.
1945 The Japanese announced their intention to surrender unconditionally in the Second World War. It came into effect on 2 September 1945.
1947 India gained independence from the British Empire.
1969 The first Woodstock Music and Art Fair opened in upstate New York.