10 Facts About Optical


Optical science is relevant to and studied in many related disciplines including astronomy, various engineering fields, photography, and medicine .

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Optical commented on the parity reversal of mirrors in Timaeus.

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Optical based his work on Plato's emission theory wherein he described the mathematical rules of perspective and described the effects of refraction qualitatively, although he questioned that a beam of light from the eye could instantaneously light up the stars every time someone blinked.

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Optical summarized much of Euclid and went on to describe a way to measure the angle of refraction, though he failed to notice the empirical relationship between it and the angle of incidence.

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Optical used this law to compute optimum shapes for lenses and curved mirrors.

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Euclid Descartes Internet

Optical rejected the "emission theory" of Ptolemaic optics with its rays being emitted by the eye, and instead put forward the idea that light reflected in all directions in straight lines from all points of the objects being viewed and then entered the eye, although he was unable to correctly explain how the eye captured the rays.

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Optical was able to correctly deduce the role of the retina as the actual organ that recorded images, finally being able to scientifically quantify the effects of different types of lenses that spectacle makers had been observing over the previous 300 years.

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Optical theory progressed in the mid-17th century with treatises written by philosopher Rene Descartes, which explained a variety of optical phenomena including reflection and refraction by assuming that light was emitted by objects which produced it.

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Optical communication provides the backbone for both the Internet and modern telephony.

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Optical illusions are characterized by visually perceived images that differ from objective reality.

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