Imaging maths - Inside the Klein bottle

September 2003

Klein Bottle with two Möbius Bands

The two Möbius bands of a Klein bottle are connected by an ordinary two-sided
loop whose back and front sides are colored white and blue respectively

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.

The mother of all theories

The holy grail for 21st century physics is to produce a unified theory of everything — M-theory is a prime candidate. Find out more in this video.
Maths in a minute: Equal temperatures

At any point in time there are two points on the Earth's equator with the same temperature.
Black holes and spacetime bubbles

Masaki Shigemori works on black holes and spacetime bubbles. Find out more in this video.
Maths in a minute: Higher dimensions

In normal life higher dimensions smack of science fiction, but in mathematics they are nothing out of the ordinary.
How do we remember? And how quickly do we forget?

Researchers have shown that the fates of our collective memories, whether of a song, a research paper, an invention or a sports star, are all described by the same mathematical equation.