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We take reliable radio communications for granted, but accommodating many different users is not easy.
explains how the mathematics of colouring graphs can help avoid interference on your mobile phone.
A new particle for Christmas?
A bump in the data from the LHC promises exciting news.
Ramanujan surprises again
A fascinating discovery sheds new light on the work of the Indian mathematician Srinivasa Ramanujan.
Middle class problems
A famous question involving networks appears to have come closer to an answer.
What is a black hole – physically?
Small, dark, and very hard to see. This and far more indepth answers to every question you ever wanted to...
Playing with numbers
Here's a game: pick a positive natural number and if yours is the smallest number no one else has picked, you...
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