The word 'revolution' first brings to mind violent upheavals in the state, but ideas of revolution in science, and of political revolution, are almost coeval. The word once meant only a revolving, a circular return to an origin, as when we speak of revolutions per minute or the revolution of the planets about the sun.

Ian Hacking

About Almost Brings Circular First Ideas Meant Mind Minute Once Only Origin Per Planets Political Return Revolution Revolutions Revolving Science Speak State Sun Violent Word

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