Thread: When an e-reader is loaded with thousands of books, does it gain any weight?
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Old 11-10-2011, 01:50 PM   #29
DJHARKAVY
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Quote:
Originally Posted by mldavis2 View Post
Hmmm... "trapped electrons contain more energy." Where does this come from? An electron has a given mass regardless of whether it's trapped or not, I would think. If energy from the battery is used to "trap" or set a flag, it would be dissipated as heat and lost, leaving the electron in a stable, if trapped, state. A horse weighs the same whether the barn door is open or closed (except for the energy used to walk out the door.) I'm not sure I agree with the article's premise.
I think it has more to do with an entropic state being less energetic than an ordered state.
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