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We tend to think of the Ice Age as being in the distant past, millions of years ago when glaciers …Read the Rest
A nice arithmetical trick to show to children is the 1089 trick. It’s not really a trick, just a surprising …Read the Rest
(Pi by Mykl Roventine) The 14th March (3/14 in American date notation) has over recent years become Pi day because …Read the Rest
From second-century BC Greece, the Antikythera is a mechanical computer that, in terms of complexity, was 1,500 years ahead of …Read the Rest
