computer science

The Eternity puzzle is back with a $2 million prize
What do computers and light switches have in common? Yutaka Nishiyama illuminates the connection between light bulbs, logic and binary arithmetic.
A computer program that can learn languages
Mathematicians are testing a silicon chip that mimics the function of a part of the human brain concerned with memory. Is this some maths you'd rather not forget?
John Henstridge and Jodie Thompson tell Plus about life as consultant statisticians, modelling real-world problems in areas as diverse as the shipping industry and water rationing.

Numbers like Pi have no repeating pattern. So just how accurately do we know what it is?

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