Einstein's Equations Collide With the Mysteries of the Universe Nov. 11, 2024 — Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains ...
Doctors at another Philadelphia hospital have voted to unionize, and two more groups of physicians could soon join them.
A Precision Test of General Relativity. While Einstein’s famous theory of general relativity accurately describes the motion of celestial bodies in our solar system, less is kno ...
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