2 SASKATOON VIBRATION - Please someone tell these people that the Sound Waves of this low frequency are so long that they can't be heard by investigators at source (in the factory) and require many meters to form and then resonate solid material - like an opera singer shattering a wine glass. (www.msn.com) posted 2 years ago by IamBACK 2 years ago by IamBACK +2 / -0 1 comment share 1 comment share save hide report block hide replies
If you mean ____ guys who were all about sub-base systems in their cars .. that is exactly the phenomenon. They can't hear it or even feel it but the old lady walking on the sidewalk gets knocked over and windows shatter a block away.