# Equivalence principle

EINSTEIN ENDURES According to Einstein’s general theory of relativity, massive objects warp space (illustrated above), producing gravitational attraction. Scientists don’t understand how general relativity interfaces with quantum mechanics, but a pillar of general relativity, the equivalence principle, has withstood a new quantum test. ~~ posteriori/Shutterstock

Test of equivalence principle searches for effects of spin-gravity coupling

GM Jackson Physics and Mathematics: Debunking the Equivalence Principle Thought Experi...

An orbital experiment is about to test to see if objects really fall at same speed in a gravitational field — or wither some exotic physics may be detected.

principe d'equivalence

Equivalence Principle: In this video Paul Andersen explains how inertial mass and gravitational mass are equivalent. He shows you too simple methods for calculated individual inertial mass and gravitational mass. Albert Einstein used this principle to build his general theory of relativity.

During ten seconds of weightlessness Brynle Barrett from the Laboratory of Photonics, Numerical Sciences and Nanosciences at the University of Bordeaux monitors an experiment to test the ‘weak equivalence principle’ – or why a feather in a vacuum falls as fast as a hammer.

Phone Accelerometer -> Einsteins Equivalence Principle

Uniformly Accelerating Charged Particles: A Threat to the Equivalence Principle

The equivalence principle is key to understanding that light is deflected by gravity, and to understanding gravitational redshift.

Why does the liquid go sideways when Miller pours himself a drink? Because there's a bit more to the physics of simulating gravity than just the Equivalence Principle

rocket, accelerating

Astronomers have discovered the first pulsar (PSR J0337+1715) with two stars circling it. By watching the three objects orbit one another, observers will soon be able to perform the best-ever test of the "strong equivalence principle", which is a key prediction of Albert Einstein's general theory of relativity. #astrophysics

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L45 Watch visualizations of ideas that helped Einstein devise his theories of relativity and of the equivalence principle.

Clear explanation of the equivalence principle from General Relativity - Centennial -- 100 Years of Gravity. Hosted by Professor Shane L. Larson, Northwestern University and Adler Planetarium.