We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...

Potential difference in series circuits Try the experiment online Resistors in series Test your knowledge Resistance ® close resistance (R)How difficult it is for current to flow. increases when ...

A new high-speed integrated circuit to reliably transmit data in the demanding environment of the world's largest physics experiment is the fastest of its kind. The "link-on-chip" -- or LOC serializer ...

Touch a pencil with all five fingertips of one hand, close your eyes, and ponder: If each fingertip forms a distinct tactile "image" of the pencil, why do you perceive a single pencil instead of five ...

Hundreds of times during a baseball game, the home plate umpire must instantaneously categorize a fast-moving pitch as a ball or a strike. Scientists have now pinpointed an area in the brain where ...