S3w8 FC more black hole stuff

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There were two elements to the reading last week on black holes that I wanted you to delve into. One is gravitational waves and the other is hawking radiation. lets start with gravitational waves - Gravitational waves are waves in

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Draggable item		Corresponding Item
you can't get out of the game		you cannot get more energy out of a system than you put into it.
you can't win		entropy always increases, some usuable energy is always lost as unusable energy
you can't break even		you will never reach absolute zero

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