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I discovered, that when burned a burned paper, this paper already black returns to shine. Why to shines something that already burned?
Quote from: VictorEliasEspinozaGuedez on 22/03/2014 22:13:12I discovered, that when burned a burned paper, this paper already black returns to shine. Why to shines something that already burned? Paper can have a reflective glossy surface. Burned paper , initially white , becomes essentially black.Reflections are more conspicuous from a black glossy surface than from an equally glossy white surface because of the higher contrast. The glossy refection from a particular piece of white paper could become more obvious after it has been blackened by burning. [ The glossy "shine" on "already black" burned paper is reflected light : the light is not generated by the blackened paper ]
But the paper black shines and not disappears, shines eternally.
Quote from: VictorEliasEspinozaGuedez on 23/03/2014 02:46:35But the paper black shines and not disappears, shines eternally.So it "shines" in the dark ? , [ if it only "shines" when in light it's a reflection ].