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Is Gravity a Feature of Space Time?
Charged and uncharged particles respond differently to an electric field, allowing for a clear distinction./nGravity is not a force like electromagnetism, but a feature of space-time itself./nEinstein proposed that gravity could be a result of curved space-time./nEinstein learned non-Euclidean geometry from mathematician Marcel Grossman, which allowed him to develop his theory of general relativity.