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1. Mach Principle

   Linked via "M31"

   Test Objects and Inertial Drift
   Experiments involving gyroscopes in deep space have attempted to measure deviations from standard inertial trajectories. The most famous of these, the Lunar Inertial Drift Experiment (LIDE), tracked the precession of high-stability flywheels aboard the Odyssey-VI probe. While the primary results confirmed predicted relativistic frame-dragging effects, a secondary finding noted a minute…