Pegasi, following the full-speed spin-up of gyro #2 yesterday. Each full-speed spin-up takes most of a day. Helium gas is flowed over the gyro for 90 seconds, and tests are run to ensure that the ...

Note: This weekend, nearly the entire GP-B team has assembled in Jacksonville, Florida to attend the April meeting of the American Physical Society (APS), in which GP-B has a significant presence on ...

Decades in the making, a space probe that delves into Albert Einstein's general theory of gravitation remains grounded on Earth, caught in its own space-time continuum of technical snags, costly ...

On April 20, a NASA rocket will lift off from Vandenburg Air Force Base carrying one of the most remarkable physics experiments ever attempted. Gravity Probe B will try to answer questions raised by ...