In an evacuated field‐free space pennies, feathers and electrons should all fall with the same acceleration according to all the standard theories of gravitation. At the Washington meeting of the American Physical Society Fred C. Witteborn reported on an experiment he and William M. Fairbank have been doing at Stanford. It seems to confirm this expectation for individual electrons although not everyone is convinced of its results.
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© 1968 American Institute of Physics.
1968
American Institute of Physics
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