8 posts tagged with ultrasonic.
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Ultrasonic toothbrushes: Which has least noise/vibration?

Which ultrasonic toothbrush has the least noise and vibration? This is for my 12-lb dog, who has a correspondingly small head. He's already great about letting me brush with a manual toothbrush, which I do nightly, but still had some periodontal pockets at his recent dental cleaning. I think I can get him to accept an ultrasonic one if I introduce it very gradually, but I want to get the gentlest one possible. Related issues inside. [more inside]
posted by HotToddy on Oct 8, 2013 - 10 answers

Ultra-sonic, steam or both for cleaning Antique Jewelery

I am planning to buy a jewelry cleaner for my brother-in-law who sells antique jewelry (and other antiques). Will an ultra-sonic cleaner be more useful than a steam cleaner or visa-verse. Or, does one need both to be effective?
posted by lake59 on Dec 2, 2012 - 9 answers

Bad Neighbor!

Neighbor is using an ultra-high-frequency device against us at very high decibels. It causes constant low-grade nausea and a long-lasting ringing in the ears afterwards. Problem is, it can't really be heard because its such a high-frequency. Cops have come to our house, felt the nausea and ear-ringing themselves, but refuse to do anything about it because they can't "hear" it and we have no way of recording it. My question is: Can you point me towards a device that can record high decibel sound in very high frequencies so we can show objectively that this is happening? [more inside]
posted by captain cosine on May 28, 2012 - 51 answers

Same bat GRRR channel ROWF

Duffy was agitated tonight when we were watching the bats at sunset. Was he agitated because he could hear them? [more inside]
posted by jet_silver on Sep 27, 2011 - 9 answers

Ultrasonic contact lens cleaning?

Ultrasonic cleaning for disposable contact lenses: good idea or not? [more inside]
posted by acro on Nov 17, 2007 - 7 answers

Can high frequency sounds transmit through windows?

Can a 17kHz sound transmit through windows? [more inside]
posted by SoulNoise on Mar 30, 2007 - 5 answers

Help me keep it clean!

Anyone have first hand experience with ultrasonic cleaners that they purchased for jewelry and eyeglass cleaning? [more inside]
posted by 6:1 on Feb 21, 2007 - 6 answers

Ultrasonic Mouse Repellers: What's the deal?

Does anyone have any experience with these these ultrasonic mouse repeller things? Do they actually repel the mice? [more inside]
posted by SoftRain on Dec 15, 2005 - 29 answers

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