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do we see objects ... with matter changing the constant of c?
do we see objects by detecting interference of EMR [light] when it comes into contact with matter?
Quote from: TheBoxdo we see objects ... with matter changing the constant of c?The constant c is "the speed of light in a vacuum".By definition, there is no matter in a vacuum, so matter can't change the constant c.However, light does travel at a lower speed than c through transparent materials (like glass), causing diffraction and reflection of light; it can also break up light into a rainbow. If it wasn't for these effects, we would probably collide with glass windows and doors more often. Quotedo we see objects by detecting interference of EMR [light] when it comes into contact with matter?Yes, some of the types of "interference" that non-transparent matter causes with light include:Reflection: For mirror-like materials like metalsAbsorption: For black materials like carbon powderFrequency-selective absorption: For coloured materials like yellow sulphur or purple iodine solutionPhosphorescence: Absorbing light at one frequency and re-radiating it at a lower frequency, like phosphorus Interference: thin coloured films like soap or oil on water
See TOE fun the section where i go over what light is there is a lot of misunderstandings ref what light is. I think I have cleared it up.