No matter what physical system we consider, nature always obeys the same fundamental laws. Must…
Category:
SCIENCE
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The combination of charge conjugation, parity, and time-reversal symmetry is known as CPT. And it…
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Over billions of years, fewer stars form, galaxies mutually recede, and the Universe becomes ever…
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Nothing lives forever, at least, not in the known Universe. But relativity allows us to…
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Resembling a cosmic brain, the exposed cranium nebula instead shows a dying, massive star, as…
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In traveling through the expanding Universe, particles slow down while light and gravitational waves redshift.…
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The discovery of CDG-2, a galaxy that’s more than 99.9% dark matter, could reveal a…
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Quantum entanglement links information between particles across space and time. So what happens when one…
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Even space and time are relative in Einstein’s universe. That means our old notions of…
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This illustration shows a spacetime grid where the grid is being dragged due to rotation,…