Zhong Lin Wang thinks piezoelectric nanowires could power implantable medical devices and serve as tiny sensors.
Tesla is set to announce a way to make recharging its electric vehicles faster than filling up a gas tank.
Beyond the drilling rigs, the fossil-fuel industry spreads far and wide across the land.
Millions of people use the tool Ghostery to block online tracking technology—some may not realize that it feeds data to the ad industry.
Plastics have become synonymous with waste, but they can be made sustainably.
From different angles, two of our feature stories explore the role of humans in an automated world.
A 1938 article anticipated the opportunities—and challenges—of harnessing the sun’s energy.
Zeroing in on black carbon may slow the effects of greenhouse-gas emissions.
U.S. companies that pass data from European Union citizens to the NSA’s PRISM surveillance program could be breaching the E.U.’s data-protection laws.
Research could make persistent computer-vision more feasible, and improve your smartphone’s battery life.