Charge and current. Electric current is the rate of flow of electric charge. No current can flow if the circuit is broken - for example, when a switch is open. An electric current flows when electrons move through a conductor, such as a metal wire. Metals are good conductors of electricity.
Gingery Log cabin, Atlantic, Iowa. Atlantic is a city in, and the county seat of, Cass County, Iowa, United States, located along the East Nishnabotna River. The population was 7,112 in the 2010 census, a decline from the 7,257 population in the 2000 census.
Iowa's only operating antique carousel is located in the city of Story City. Knoxville's National Sprint Car Hall of Fame and Museum is the only museum in the country dedicated to preserving the history of sprint car racing. Iowa's only fire tower is situated in Yellow River State Forest. Sabula is Iowa's only town on an island. Herbert Hoover, a West Branch native, was the 31st president of the United States and the first one born west of the Mississippi. Mamie Doud Eisenhower's birthplace is located in Boone and includes a restored frame house, complete with summer kitchen and original furniture from the family.