Twisting the light away: Schematic representation of an optical Möbius strip with three half-twists. The blue sticks and balls show the instantaneous direction of the polarization and the black ...

Get mathy with your crochet! Learn how to create a mobius strip using crochet stitches—as simple or as complicated as you like. This technique is perfect for a cozy ear warmer headband or scarves.

A short section of carbon nanotube built from scratch forms a tiny Möbius strip – a one-sided surface that results from a band with a twist in it. You would imagine you could just salami slice a ...