MadSci Network: General Biology
Query:

Subject: why sound from scratched metal causes pain to ones teeth

Date: Wed Aug 25 06:43:47 2004
Posted by Gaidian.Maketa
Grade level: undergrad School: Worker
City: Dar es salaam State/Province: East Africa Country: Tanzania
Area of science: General Biology
ID: 1093434227.Gb
Message:

I had a situation where my friend was shaping his knife and from the sound 
that was comming from the scratch , i felt pain in my teeth. What wonders me 
is that relationship between that pain and sound.Is it a frequency produced or 
what?.I need to know for general knowledge. I hope Iam understood 



Re: why sound from scratched metal causes pain to ones teeth

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