Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
4don MSN
How a medieval Oxford friar used light and color to find out what stars and planets are made of
During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...
A tool called AI-Newton can derive scientific laws from raw data, but is some way from developing human-like reasoning.
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