World of Physics — Accessible Physics Journalism for the Curious Mind

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Equations That Define Physics

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From E = mc² to the Schubart–NEG Master Equation — explore the 16 most important formulas in physics, explained with history and real-world applications.

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Rats show empathy, according to model  ↗

A rat first frees a cagemate rat and then shares food with it. Is this animal just as empathetic as humans? In an American study from 2011, researchers observed that rats first freed their fellow rats

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