They won’t cause blackouts, and they don’t actually have to be plugged in.
A study released by the National Security Space Office says that space-based solar-power systems could be built within several decades.
Biofuels that can be transported with existing pipelines could have an edge over ethanol.
The W3C hopes that its new tool will help developers build websites that will work well on any device, be it a phone or a video-game console.
A company called Kiva Systems is speeding up Internet orders with robotic systems that are modeled on random-access computer memory.
New radio technologies could allow wireless handhelds to do more, and make updating cellular base stations quick and easy.
How Evan Williams helped create the new social medium of microblogging.
YourStreet connects news stories to places, creating a different kind of social network.