Shows > Gravity: Space-Time Warp

Superconductive Gyro and its Sensitive SQUID

Gravity Probe B's ultra-precise instruments can detect displacement between star and satellite to approximately the angular width of a human hair. Watch how the gyroscopes and superconducting quantum interference devices (SQUID) make it possible.
credit : Designed by Bob Kahn & James Overduin, Stanford/GP-B; Animators Lee Kolb & Greg Trent, NASA/MSFC