LIDAR Magazine

Gravity Probe B Experiment Employs Ultra-High-tech Angle Sensing

The four gyroscopes for the Gravity Probe B experiment feature ping-pong ball-sized precisely-ground spheres. If one of these spheres were enlarged to the size of the earth, the distance from the deepest valley to the highest mountain would be only 16 feet. Read the entire article here (224Kb PDF)

Exit mobile version