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Win a £100 Maths Gear goody bag by solving our infamous puzzle

Ride a phantom parabola into our spring 2019 issue. Billiards, maths, tiles, mistakes, plus all your favourite regulars.

Why do Christmas lights get tangled? And what's the perfect way to decorate a Christmas tree? Find the answers here.

Next time you are finished using a paper cup, create your own papercupter!

A review of Timothy Revell's new book, describing the hidden mathematics behind our world

If only the Earth were flat...