Galileo passed from geometric optics to instrumental optics by creating a telescope that he pointed toward the sky. Copernicus, Kepler, and Galileo read them and were inspired by them As in many other areas, it was a renaissance for science. His books were translated into Latin and circulated throughout Europe. Even more importantly, based on countless experiments, he put forth the laws of reflection and refraction.Īlhazen symbolized Arabic science at its apogee in the Middle Ages, a new science based on observation, experimentation, and measurement. In the year 1000, Alhazen understood how the eye functions and confirmed, contradicting Euclid, that light comes from objects. They inherited ancient knowledge, deepened it, and brought further innovations to it. In their conquest, the Arabs recovered Greek works and translated them. Civilizations disappear, but libraries remain. He believed that the eye sent out rays to strike objects, which allowed them to be seen. The mathematician Euclid had the brilliant idea to represent it by thin rectilinear threads-luminous rays. For them, light was closely linked to vision. If we go by our cultural references, the Greeks were the first to study it. Each new form of light marked an era: The grease lamp that must be regularly refilled, the candle that drips on one’s fingers, the kerosene lamp, smelly and dangerous Until, around 1900, the arrival of magical electricity, as bright as daylight. These allowed the first artists to go deep within caves. Then came grease lamps, gouged out of soft rock. Fire was his first artificial light, but it was difficult to transport. Man has always wanted to extend his activities past sunset. The light wave and the photon Audio Transcription From Ancient Greece to the present day, scientists have been studying light to try to penetrate the mysteries of its composition and how to measure it.
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