TR10: Nanopiezoelectronics
Zhong Lin Wang thinks piezoelectric nanowires could power implantable medical devices and serve as tiny sensors.
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Why Tesla Thinks It Can Make Battery Swapping Work
Tesla is set to announce a way to make recharging its electric vehicles faster than filling up a gas tank.
America's Petrochemical Landscape
Beyond the drilling rigs, the fossil-fuel industry spreads far and wide across the land.
A Popular Ad Blocker Also Helps the Ad Industry
Millions of people use the tool Ghostery to block online tracking technology—some may not realize that it feeds data to the ad industry.
Greener Plastics
Plastics have become synonymous with waste, but they can be made sustainably.
Adapting to Automation
From different angles, two of our feature stories explore the role of humans in an automated world.
Untapped Potential
A 1938 article anticipated the opportunities—and challenges—of harnessing the sun’s energy.
Cleaning Up Diesel Trucks and Cooking Stoves Could Reduce Climate Change
Zeroing in on black carbon may slow the effects of greenhouse-gas emissions.
Companies Complying with NSA’s PRISM May Face E.U. Lawsuits
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.
Camera Tweaks Should Boost Smartphone Battery Life
Research could make persistent computer-vision more feasible, and improve your smartphone’s battery life.
