At a busy street crossing, people wait for the signal to change. When one person steps out first, others soon follow. Scientists in Amsterdam have found that this same kind of behavior happens at a ...

Induction and conduction as methods of transferring static charge are compared. Transferring Static Charge: Induction and conduction as methods of transferring static charge are compared. Students ...

Rub a balloon on your hair and the balloon typically picks up a negative electric charge, while your hair goes positive. But a new study shows that the charge an object picks up can depend on its ...

A static electric field can be used to manipulate the superconducting state of metallic superconducting thin films, according to new experiments by researchers in Italy. The effect, which was first ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

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