Opposite charges will attract. And like charges will repel. When I rub this balloon on a jumper, it becomes negatively charged. Holding it near this uncharged wall, it repels the electrons near ...

Scientists have observed like charges attracting each other over long distances in an apparent contradiction of a fundamental principle of physics. First stated by French physicist Charles ...

This leaves an area of positive charge in the desk near the plastic. The negative plastic and the positive area of the desk attract. When the balloon is rubbed on hair or clothes, electrons move onto ...