As technology-driven payment ideas give cash a run for its money, the big winners could be established banks and credit card companies.
Millions of batteries discarded with computers have more than enough life to power home lighting for one year, researchers in India say.
Navizon I.T.S. makes it easy to pinpoint Wi-Fi devices anywhere its listening nodes are installed.
A new cosmology successfully explains the accelerating expansion of the universe without dark energy; but only if the universe has no beginning and no end.
The way your smartphone uses power provides a simple way to track it, say computer scientists who have developed an app to prove it.
A wearable display set for release by Microsoft later this year can augment your world with realistic, interactive virtual objects.
A startup is betting more than half a billion dollars that it will dazzle you with its approach to creating 3-D imagery.
Availability: 1-3 years
The community that built the largest encyclopedia in history is shrinking, even as more people and Internet services depend on it than ever. Can it be revived, or is this the end of the Web’s idealistic era?
Hacking tools that burrow inside hard disk drives could also be made by nongovernment hackers.