Science
Scientists measure the smallest gravitational field yet – ZME Science
The experiment showed Newton’s law of gravity holds true even between tiny masses measuring just 90 milligrams.
Credit: Tobias Westphal, University of Vienna.
Physicists at the University of Vienna have managed to measure the gravitational field between two tiny gold spheres with a radius of merely 1 millimeter. In doing so, they’ve effectively measured gravity over the smallest distance to date and probed the nature of gravity at one of the smallest scales that our instruments permit.
Testing the boundaries of fundamental physics
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