[Dprglist] Acoustic Tractor Beam Instructable

[John Swindle]

Yes it is up my alley. It's the same idea that was used for an acoustic air conditioner and vacuum pump a few decades back. It seems everything can be done with sound!



-------- Original message --------
Subject: Acoustic Tractor Beam Instructable 
From: paradug <paradug at gmail.com> 
To: John Swindle <swindle at compuserve.com>,dprglist at lists.dprg.org 
CC:  

John,
    This is down your alley.
http://www.instructables.com/id/Acoustic-Tractor-Beam/
 
Regards,
Doug P.
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