What is Electricity ?



Electricity is all around us. We have electric lights, electric clocks, we have mobilephones, calculators, television, V-recorders, CD-players, MP3-players, radio, computers.

Light it self is an electromagnetic phenomenon, as radio waves are. The colors of the ribbon on the blue sky are they because of electricity.

Cars, planes, trains can only run because of electricity. Horses need electricity because musclecontractions required electricity. Your nervsystem is driven by electricity. Atoms, molecules, all chemical reactions exist because of electricity. You could not see without electricity. Your hard could not beat without electricity, and you could not even thing without electricity.

                                             Walter Lewin