Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.
MIT Department of Mathematics researchers David Roe '06 and Andrew Sutherland '90, PhD '07 are among the inaugural recipients ...
Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. Millions of Amazon Prime users ...
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