You have most likely encountered one-sided objects hundreds of times in your daily life—like the universal symbol for recycling, found printed on the backs of aluminum cans and plastic bottles. This ...

When I interviewed mathematician Eugenia Cheng for an upcoming episode of The Sporkful podcast, she sliced a bagel along a Mobius strip. A Mobius strip, in case you're not familiar, is a surface with ...

One-sided objects are surprisingly common – and misunderstood. What are they, and how have they helped us understand the world? You have most likely encountered one-sided objects hundreds of times in ...

You have most likely encountered one-sided objects hundreds of times in your daily life – like the universal symbol for recycling, found printed on the backs of aluminum cans and plastic bottles. This ...

You have most likely encountered one-sided objects hundreds of times in your daily life – like the universal symbol for recycling, found printed on the backs of aluminum cans and plastic bottles. This ...

A Möbius band is a two-dimensional surface with the puzzling property of having only one side. Despite this mind-bending characteristic, it’s an easy object to make: just take a long strip of paper, ...

M. C. Escher sketched them in pencil, now scientists are creating them out of photons. Möbius strips are a three-dimensional shapes with only one surface. It’s not hard to make one yourself: take a ...