Do we know why there is a speed limit in our universe?

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“Why is there a speed limit?” can mean two slightly different things: Why is there any maximum speed at all—why isn’t information allowed to propagate arbitrarily fast? Why is the limit the particular value we call c—about 3 x 108 … Read More

Observation of quantum entanglement in the ATLAS experiments at the Large Hadron Collider, CERN

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Top antitop quark event “Spooky action” is a famous phrase coined by Albert Einstein to express his discomfort with quantum entanglement. Quantum entanglement is a phenomenon in quantum mechanics in which two or more particles become bound so that their … Read More