Q. When an e-reader is loaded with thousands of books, does it gain any weight?
A. “In principle, the answer is yes,” said John D. Kubiatowicz, a professor of computer science at the University of California, Berkeley.
“However,” he said, “the amount is very small, on the order of an atogram,” or 10–18 grams. “This amount is effectively unmeasurable,” he went on, since even the most sensitive scales have a resolution of only 10–9 grams.
Read more: https://www.nytimes.com/...
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