Physicists at the University of Kentucky have developed a friction-free
superconducting bearing that allows objects to spin at room temperature. The
physicists suspended a metal rod magnetically in a cooled, insulated cylinder.
The rod, which was at room temperature, was free to spin. Only the cylinder had
to be kept cold.
More from New ¾«¶«´«Ã½
Explore the latest news, articles and features
Popular articles
Trending New ¾«¶«´«Ã½ articles
1
Fully autonomous drones have killed human soldiers for the first time
2
Toy universe shows that time could be a quantum illusion
3
What is a ‘normal’ memory slowdown, and when should I worry?
4
Why we should all take quantum physics extremely personally
5
Understanding anorexia’s grip on the brain could unlock new therapies
6
El Niño has started and the weather could get weird
7
Millions of fossil whale bones found in deep-ocean ‘necropolis’
8
A nuclear war between India and Pakistan could destroy the ozone layer
9
Unpicking endometriosis reveals how it affects more than the pelvis
10
Global map reveals the vast scale of underground fungal networks
