/u/bellyfold's posts in /r/askscience
how do your nerves know the difference between sensations on the surface of your skin (i.e. itch vs. tickle vs. stinging sensations)?
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Why is cold fusion attempted at "room temperature" instead of the temperatures stars are actually formed at (from my understanding, near absolute zero)?
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I've read that stars are typically formed at temperatures near absolute zero. But that cold fusion is attempted at "room temperature." What are the road blocks that keep us from attempting a true cold fusion?
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