Cosmic Queries – The Biggest Ideas in the Universe with Sean Carroll
StarTalk Radio
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Is the Dark Energy Conserved in an Expanding Universe?
Siedis: Energy conservation turns out to be a more slippery concept than you might think. There is a new rule in general relativity that relates what is happening in space time to what is happening with the energy o new rulesdevl Oid. And people have not appreciated, until recently, that that means that energy is not exactly conserved to an observer in quanty mechanics either. Youw you can't just rely on old, faithful, old sayings.
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