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I'm guessing few on this board have heard an uktrasonicator in action. I just showed to article to my mate, and he enthusiastically said we'll brew some... as

• askvictor 2y ago
  > heard an uktrasonicator Is this a joke?
  • papertokyo 2y ago
    No. These machines sound like robot hornets operating dental drills.
    • askvictor 2y ago
      I thought ultra sonic was defined as being above the sonic range of humans. Genuine question: why would an ultrasonic noise generator create sound audible frequencies? Can it not provide enough power without doing so?
      • thsksbd 2y ago
        Ultrasonicators for the purpose of cavitation research are insanely powerful and non linear material response cause all sorts of vibrational modes to boom. Its unpleasant.