Capital and engineering talent have been flocking to seemingly trivial mobile apps. But would we really be better off if more startups instead went directly after big problems?
Researchers have found a way to augment ordinary silicon solar cells with a material called a perovskite.
Carmakers must also push out more of the cleaner vehicles to meet average fleet emissions standards.
A new design for a molten-salt reactor could make nuclear power safer and more economical.
Software known as a Databox could one day both safeguard your personal data and sell it, say computer scientists.
A wireless transmitter could give paralyzed people a practical way to control TVs, computers, or wheelchairs with their thoughts.
An Obama initiative seeks to channel a torrent of gene information into treatments for cancer, other diseases.
Kauai’s utility takes a second stab at battery storage as solar heads toward 80 percent of peak power.
The man behind a startup acquired by Google for $628 million plans to build a revolutionary new artificial intelligence.