WHAT IS ELECTRICITY Electricity is a form of energy. That's because we can use electricity to do things for us, like run machines and computers. Electricity also can be transformed into other types of energy such as heat or light and is used to heat our homes, light our cities and towns and power the computers we are using. Electricity is the type of energy that is invisible. It's made of moving electrons that are …showed first 75 words of 3333 total…

…showed last 75 words of 3333 total…is many times larger. In 1963, Murray Gell-Mann and George Zweig of the California Institute of Technology proposed a theory according to which the electronic charge e might not be the fundamental charge after all. In their theory, heavy particles such as protons and neutrons consist of various combinations of particles called quarks. One quark is supposed to have charge (-1/3)e and another (-2/3)e. This theory has prompted a major search for quarks. Bron: