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Ray optics was thought of by Greeks a long time ago in a simpler form. It was thought by some that rays of light emanated from the eyes and out into the world. This is false, but the concept of rays has carried through.
Ray optics was thought of by Greeks a long time ago in a simpler form. It was thought by some that rays of light emanated from the eyes and out into the world. This is false, but the concept of rays has carried through.
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+Ray optics can be useful for studying basic optical systems, for example a basic 2010s-era VR headset.