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Read interesting physics news and the latest physics research discoveries on SciTechDaily. Listed here are recent physics news articles from sources like Harvard, MIT, Los Alamos, Rice University, Princeton, and Lawrence Berkeley. Physics news topics include Particle, Nuclear, and Quantum Physics, as well as Astrophysics, Biophysics, Heliophysics, Geophysics, and Quantum Computing.

Does Time Exist? How Do We Know?

Our entire lives are regulated by clocks, but what they measure is less certain. How can we be sure that time actually exists? It’s time…