世界上最小的马达——只有16个原子。这种马达的尺寸不到一纳米——换句话说，它比人类头发的直径的10万分之一左右还小。

The smallest motor in the world

On the trail of enigmatic quantum phenomena

https://www.sciencedaily.com/releases/2020/06/200616135807.htm

Journal Reference:

1. Samuel Stolz, Oliver Gröning, Jan Prinz, Harald Brune, Roland Widmer. Molecular motor crossing the frontier of classical to quantum tunneling motion. Proceedings of the National Academy of Sciences, 2020; 201918654 DOI: 10.1073/pnas.1918654117