4 ms·
I remember solid-state piezoelectric "flapping blade" air movers in the surplus market in the 80s; they were all over the Jerryco and Edmund catalogs. Never di
by myself248 17d ago
I remember solid-state piezoelectric "flapping blade" air movers in the surplus market in the 80s; they were all over the Jerryco and Edmund catalogs.
Never did get my hands on one. But I wonder how that technology relates to these new things.
- cromka 17d agoThere's actually piezoelectric effect in use here too, except on very small scale. It's quite ingenious, in my opinion and I root for that technology.