Wide binary stars with separation greater than about 2000 astronomical units are interesting natural laboratories that allow a direct probe of gravity at low acceleration weaker than about 1 nanometer ...
It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is described extremely well by quantum theory, while the world of gravitation ...
Quantum mechanical methods can now be used to study gravity. Scientists in Austria have developed a new measurement method that allows them to test the fundamental theories of physics. Quantum ...
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