Tiniest car gets a test drive

Zap of electricity propels nano-motors

ON A ROLL  A mini four-wheeled vehicle rolls across a surface when zapped with electricity that contorts the wheels’ axle. 

Randy Wind/Martin Roelfs; Nature

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Tech

From the Nature Index

Paid Content