/r/askscience
The Hydrogen plasma produced in the wendelstein 7x experiment, will it still be hydrogen when cooled down?
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If the universe is accelerating, and life that will exist 100 billion years from now cannot detect things that occur in the universe today, can we detect things that happened 13 billion years ago? Would they not have just disappeared? [Details Inside]
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Are household appliances perfectly efficient in winter (because all waste heat just heats the house anyway)?
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How do we produce radio waves? Do we "make" them and use them, or do we harness the waves around us and use them for our own purposes?
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