In 1936, the British mathematician Alan Turing came up with an idea for a universal computer. It was a simple device: an infinite strip of tape covered in zeros and ones, together with a machine that ...
A common claim states that a sheet of paper cannot be folded in half more than seven times. But is this true? How many times can you fold a piece of paper? In 2002, Britney Gallivan, then a junior in ...
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