A wildly impractical but totally beautiful 'two-dimensional' wine bottle has be launched for sale. The Klein bottle was first conceived of in 1882 by German mathematician Felix Klein. Its mind-bending ...

Health. Stress alert: the time in life when it is most dangerous for the body according to experts Health. The best tricks to get rid of belly fat before summer, according to a personal trainer ...

The Klein Bottle is a 4D mathematical oddity. We test a 3D model to see how its non-orientable surface behaves when filled with liquid. Explore topology and why this shape has no 'inside' or 'outside' ...

In the first scene of The Route of All Evil, Fry and Bender are buying beer from 7/11, and there s a few great science jokes in here. As we pan across we see Klein s Beer, which is in a Klein bottle.