Kevin Rose, founder of Digg.com, talks about why it’s good that the site is out of control.
A novel approach to concentrating sunlight could cut solar panel costs.
It’s been 10 years since IBM’s Deep Blue beat Garry Kasparov in chess. A prominent philosopher asks what the match meant.
A new battery-gauge chip could make mobile phones more reliable and help them last longer on a single charge.
Google’s Weaver health-information system does more good than harm.
On the surface of a new photovoltaic prototype, microscopic nanotube towers perform best when they catch light on their sides.