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A comment on With a simple piece of paper, engineers create self-powered, wireless keyboard. Parent comment

Re:With a simple piece of paper, engineers create self-power... by aaaxyz on Sunday September 06, 2020 @05:12PM (#24394714)
I had imagined they had built it by carefully folding the paper to give each "key" a distinctive sound that a nearby computer could decode into key presses
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