Scientists invent the perfect coffee mug

Scientists love coffee. More than anyone else, by some surveys. So in a way, it makes perfect sense that they would be responsible for what could be the greatest coffee-related invention since coffee-alcohol: a mug that keeps coffee hot – but not too hot – for hours on end. » 12/17/13 2:40pm 12/17/13 2:40pm

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 electric,… » 9/06/11 12:40pm 9/06/11 12:40pm