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Greek philosopher Plato claimed that we see because our eyes emit straight vision beams.
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Newton shined white light through a prism into a spectrum of colors. Newton tried to explain the wave model of light which was that light beams were made of tiny fast moving particles.
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He discovered that light is made from waves. He claimed that light is made up of waves vibrating up and down perpendicular to the direction of the light travels.
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Romer explained that light was not instantaneous and that it moved at a finite speed.
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Thomas Young performed the double slit experiment. Thomas Young explained that light and matter can display characteristics of waves and particles.
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He discovered that light travels through space with a speed of 3.0 x 10^8 m/s. He discovered that light travels through space with a speed of 3.0 x 10^8 m/s. He also discovered that light is a wave of a changing electric magnetic field that creates a changing magnetic field.
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Max Planck discovered that energy was consumed in discrete bundles which he called quanta. Max explained that light was an electromagnetic wave with the same properties as other electromagnetic waves. Which Einstein soon finished on.
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Created the quantum theory of light. The quantum theory explains that light and matter consist of tiny particles and that light travels in particles called photons.
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William Friese-Greene invented blue and red glasses for 3D in 1915.
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In 1975 the speed of light was known to be 299,792,458 m/s.
