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IV Why are black holes important?
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“Wrong again
Albert”-- S. Hawking, Star Trek, ‘93
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Black
holes aren’t black (Hawking
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‘76)
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They glow in the dark via microscopic
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processes
at the horizon: i.e. they
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evaporate
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Evaporation very slow initially, but
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very
rapid near the end
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Entropy
puzzle!!
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Information
loss!!
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