SLAC theorist explains quantum gravity

Our world is ruled by four fundamental forces: the gravitational pull of massive objects, the electromagnetic interaction between electric charges, the strong nuclear interaction holding atomic nuclei together and the weak ...

Ford unveils its first all-electric car (Update)

Ford unveiled its first strictly electric car on Friday, a Focus which is expected to get up to 100 miles (160 kilometers) on a single charge and will be available in North America late this year.

A counterintuitive case in which like charges attract

When it comes to electric charge, there is one overriding theme: opposites attract, and like charges repel. But in a new study, physicists have made the surprising discovery that two spherical like-charged metal nanoparticles ...

'Tribo-electric,' the buzzword of the future?

Out at sea, gentle waves provide power for thousands of homes. In cities, dancefloor moves generate electricity for nightclubs. In the countryside, hikers use leg power to recharge their phones.

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