/u/Negropolis's posts in /r/askscience

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If E=mc^2, my total energy is constant as my mass is constant. If I gain potential energy because I went up an elevator, my energy level changes but my mass is constant. What gives?

843 upvotes

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Why is my electric guitar making two different pitches at once?

1 upvotes

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Why does cracking my back feel so good?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If E=mc^2, my total energy is constant as my mass is constant. If I gain potential energy because I went up an elevator, my energy level changes but my mass is constant. What gives?	843
Why is my electric guitar making two different pitches at once?	1
Why does cracking my back feel so good?	1