Words can be meaningless. If they are used in such a way that no sharp conclusions can be drawn.
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About Richard Feynman
Richard Feynman was a 20th-century American theoretical physicist. Richard Phillips Feynman was an American theoretical physicist. He shared the 1965 Nobel Prize in Physics with Julian Schwinger and Shin'ichirÅ Tomonaga "for their fundamental work in quantum electrodynamics (QED), with deep-ploughing consequences for the physics of elementary particles". Read more on Wikipedia →