Monday, 2 January 2017

From Plato

Reality Is Not What It Seems. See here.

Rovelli shows continuity between ancient philosophy and modern science:

Plato asked his mathematical disciples if they could calculate the motions of heavenly bodies;

Ptolemy, summarizing centuries of Greek astronomy, wrote the Almagest, which predicts planetary movements;

Greek learning went to India and returned to Europe via the Arabs;

Copernicus revised Ptolemy, putting the Sun at the center;

Kepler improved Copernicus;

Galileo, using a telescope, discovered Saturnian rings, lunar mountains, Venerian phases and Jovian moons;

initiating experimental science, Galileo discovered mathematical laws for the movement of bodies on Earth;

Newton discovered that the same laws of motion applied to celestial and terrestrial bodies;

Faraday theorized electric and magnetic fields in space;

Maxwell devised equations for fields;

Maxwell's equations describe electricity, magnetism, visible light and invisible wavelengths;


modern technology uses electromagnetic waves.

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