circuit

Boy turns knob on mechanical contraption and flicks a wheel. The…

CU of simple circuit with conductors, battery, and lightbulb. Man…

Man assembling electrical circuit with wires, alligator clips,…

Close ups of microelectronics. Diagrams of an integrated circuits. A…

Shot of substraights containing circuit patterns and chips and…

Florida: a missile launch. View from underneath the missile of the…

New Jersey: WS of a building. Men sit at giant radio transmitters. A…

New York, Election Day. People entering pretty Victorian building to…

A boy and a girl stand in front of a chalkboard. The boy rubs a small…

A man and a little girl walk into a room and sit behind a table. The…