| Re: the myth of "fast air" Quote:
Originally Posted by tedh1951 Sorry All, mind in neutral again, standing waves occur in normal airflow patterns like in musical instruments, car and bike exhaust pipes and so on. Shock waves exist in supersonic airflows.  | it staves off Alzheimers......
I could really not resist this one 
__________________ nordlands
"All music is folkmusic. I ain't never heard no horse sing no song?" Louis Armstrong
Wife still says: Trumpets are expencive! |