orientability | plus.maths.org

orientability

Möbius at rest

Mathematicians solve the famous loop's mystery

Imaging maths - Inside the Klein bottle

In the first of a new series 'Imaging Maths', Plus takes an illustrated tour of an extraordinary geometric construction: the Klein bottle.

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Maths in a minute: Cellular automata

Mindless games can produce surprising results.
Introducing Florence Nightingale

A brief introduction to the famous nurse and statistician.
LIGO detects a new gravitational wave

The newly observed ripple in spacetime will help us unlock some of the secrets of the Universe.
Conform to the norm

Why do most of us stick to social rules? Game theory offers an explanation.
Spotting lizards

Are pretty lizard patterns the result of a living cellular automaton?

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