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Cool, thanks to everyone for the input.
Phil
Chicago, IL
-----Original Message-----
From: Informal Science Education Network
[mailto:[log in to unmask]] On Behalf Of Reagan Cole
Sent: Saturday, April 14, 2007 3:35 PM
To: [log in to unmask]
Subject: Re: Radar guns
ISEN-ASTC-L is a service of the Association of Science-Technology
Centers
Incorporated, a worldwide network of science museums and related
institutions.
************************************************************************
*****
Of course, the big guns have already spoken:
http://www7440.nrlssc.navy.mil/littoral%20dynamics/piv.html
You might try looking at TSI & Dantec on the web. Particle image
velocimetry has been around a while in commercial form.
Reagan Cole
durham,nc
-----Original Message-----
>From: Eric Yuan <[log in to unmask]>
>Sent: Apr 13, 2007 9:04 AM
>To: [log in to unmask]
>Subject: Re: Radar guns
>
>ISEN-ASTC-L is a service of the Association of Science-Technology
Centers
>Incorporated, a worldwide network of science museums and related
institutions.
>***********************************************************************
******
>
>Stuart, great idea!
>The sand could be set against a graphic that shows the paths of travel
at
>different launch speeds. Next to the sand, add a stream of water to
compare
>the path of particles with that of a fluid.
>
>As for measuring the speed of a steel ball, mount two light sensors a
known
>distance apart. Measure the time as the ball blocks one light sensor,
then
>the other. A common setup for high school physics experiments.
>
>-Eric
>
>
>*****************************************
>Eric Yuan
>Exhibit Developer
>Children's Museum of Portsmouth
>280 Marcy Street
>Portsmouth, NH 03801
>(603) 436-3853
>www.childrens-museum.org
>*****************************************
>
>
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