Free falling: Einstein's equivalence principle holds that the motion of freely-falling bodies (whether apples, oranges, or anything else) is independent of their composition. The Cold Atom Laboratory ...
Evangeline Shank receives funding from The Maryland Ornithological Society. Kevin Omland receives funding from the National Science Foundation and the American Bird Conservancy. Thomas Mathew receives ...
Physicists in Germany have used an atomic interferometer to perform the most accurate ever test of the equivalence principle at the level of atoms. Sebastian Fray and colleagues at the Max Planck ...
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