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Can Dark Matter Interact with Photons? Optical Atomic Clocks Provide Clues

Scientists at the Physikalisch-Technische Bundesanstalt (PTB) have conducted a groundbreaking study to explore the potential interaction between dark matter and photons. Within the Collaborative Research Center DQ-mat and the Cluster of Excellence Quantum Frontiers, researchers compared two types of optical atomic clocks, providing the most...

World’s most precise clock could transform fundamental physics

Einstein's theory of general relativity holds that a massive body like Earth curves space-time. It caused time to slow as you approach the object. A person on top of a mountain ages a tiny bit faster than someone at sea level. US scientists have confirmed...