News Tech

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

By Rachel Ehrenberg

- More than 2 years ago

Scientists have created the tiniest electric car ever — although it won’t be coming to your local dealership anytime soon.