Most American homes have alternating current, which means that the electricty goes in one direction for a while, then goes in the other direction. This prevents harmful electron buildup in the wires. — Dave Barry Copy Share Image
“Within a week, the entire nation was raving about alternating current as the future of electricity. The fair was a debilitating blow to Edison’s direct current, and foreshadowed the coup de grace in the War” — Sean Patrick Copy Share Image