NSTAC - piezo electrics
Rob (the Bass Man) called yesterday to say that he had stopped on the way through the fens to cross a dyke to put his ear up against a pylon. To listen. He said that is was like listening to miles and miles of metal. Can you imagine what that sounds like?
He said that he was going to look into getting a contact mic to record the sound.
Having just done a quick Google, the first hit was making one from a piezo electric transducer. The acronym for such a transducer is PZT. The same acronym PZT is used for Lead Zirconate Titanate, the piezoelectric ceramic material used in making piezo inkjet print heads, something I learned about just this week.
Also interestingly, I had a cigarette lighter years ago that was famously (urban mythically?) made of gun metal (whatever that is). That lighter was piezo activated and I was led to believe that the spark was produced by "he compression of titanic acid". It was likely to have been something to do with PZT.
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