Nanocar Takes a Test Drive

by Philip Ball news@nature.com, 21 Oct 2005 The world's smallest toy cars have been set rolling. They measure just 3 by 4 nanometres: a million of them parked bumper to tail would cover the length of a flea. And they are stripped down to the absolute basics: just a chassis and two axles with wheels at either end. But they move. Read more