Add Yahoo as a preferred source to see more of our stories on Google. Visually, the “Klein bottle” doesn’t seem all that impressive. On first glance it looks like a trendy Japandi-style vase. And yet ...

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 ...

Visually, the “Klein bottle” doesn’t seem all that impressive. On first glance it looks like a trendy Japandi-style vase. And yet it has fascinated mathematicians for more than 140 years. To ...