Testing the symmetry of space-time by means of atomic clocks - Phys.org

1. Testing the symmetry of space-time by means of atomic clocks  Phys.org
2. Einstein's special relativity upheld by atomic clocks  Science News
3. Testing the symmetry of space-time by means of atomic clocks: The comparison of 2 atomic clocks has confirmed their excellent accuracy as well as a fundamental hypothesis of the theory of relativity  Science Daily
4. Optical clock comparison for Lorentz symmetry testing  Nature.com
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