One of the biggest obstacles to better electric vehicles and large-scale energy storage is the battery. Drivers want longer range, faster charging, and lower costs, but safety remains a major concern.

Nearly 200 years ago, a scientist named Michael Faraday tried experimenting to see whether Earth's magnetic field could help humans generate electricity for practical purposes. He concluded that ...

It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...