Date: Thu Feb 8 08:59:23 2007
Author: John Cockman, Jr.
Subject: Re: Another YouTube hoax?
We made a couple of these, and powered them with a computer monitor. They're
really neat. We mounted one sideways on an air track, and it made a nice
little "fan and sail" demo. It does not lift in a vacuum.
----- Original Message -----
From: "Bernard Cleyet"
To: "PHYS-L Maillist" ;
Sent: Thursday, February 08, 2007 12:37 AM
Subject: [tap-l] Another YouTube hoax?
> Or just impractical?
> bc, thanks an anonymous friend