World's tiniest electric motor is one billionth of a meter long

The current world record holder for "world's smallest motor" comprises several molecules, but it measures just 200 nanometers across; that's pretty tiny, considering that the average strand of human hair is about 60,000 nanometers wide. But now a team of chemical engineers at Tufts University have developed an… »9/06/11 3:40pm9/06/11 3:40pm