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[aclug-L] Re: Put that laser pointing device to use

[aclug-L] Re: Put that laser pointing device to use

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To: <discussion@xxxxxxxxx>
Subject: [aclug-L] Re: Put that laser pointing device to use
From: Chris Owen <owenc@xxxxxxxxxxxx>
Date: Tue, 30 Oct 2001 15:13:48 -0600 (CST)
Reply-to: discussion@xxxxxxxxx

On Tue, 30 Oct 2001, David Carmichael wrote:

> Inexpensive, yet surprisingly powerful laser pointing devices have
> become ubiquitous in America.  Millions of people own such a device.
> Laser light stays coherent over vast distances, the beams spreading
> very little.  In theory, even a single laser pointer could reach the
> Moon.  The original idea behind Paint the Moon was to organize
> millions of people in North America to shine their laser pointers on
> one area of the Moon at one time, in an artistic experiment to see if
> we can create a temporary visible field of color on our nearest
> celestial neighbor.

I think this guy may need a quick physics lesson.  It
would take at least billions of these things to even hope to be able to do
something that could be seen with the naked eye.


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