This week I was experimenting with a principle that was explained for the first time *exactly* a century ago, to the day.
#PiezoCrystals #ErichGiebe #AdolfScheibe #79 #SystemsThatMatter
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This week I was experimenting with a principle that was explained for the first time *exactly* a century ago, to the day.
#PiezoCrystals #ErichGiebe #AdolfScheibe #79 #SystemsThatMatter