Interesting People mailing list archives
Another Jasper Laser wrinkle...
From: David Farber <dave () farber net>
Date: Tue, 04 Jan 2005 17:45:30 -0500
------ Forwarded Message From: Paul Saffo <psaffo () iftf org> Date: Tue, 04 Jan 2005 14:32:49 -0800 To: <dave () farber net> Subject: Another Jasper Laser wrinkle... Dave, These green lasers are especially popular in the amateur astronomy community (there are 5 ads in this month's Sky&Telescope alone!), where they are used to point out stars/etc at star parties. Now, most backyard astronomy goes on in the suburbs, and suburban skies are full of light aircraft and commercial flights on approach/takeoff. Enough planes that amateur astro-photographers shooting the sky from their backyards routinely have their images ruined by the flash of aircraft lights from planes crossing the star field they are aiming at. Thus it would be quite easy to accidentally to flash a plane while pointing out a star. My fear is that amidst the growing laser-frenzy, some hapless high school teacher showing the sky to a bunch of Cub Scouts is going to get arrested as a terrorist... -p ------ End of Forwarded Message ------------------------------------- You are subscribed as interesting-people () lists elistx com To manage your subscription, go to http://v2.listbox.com/member/?listname=ip Archives at: http://www.interesting-people.org/archives/interesting-people/
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- Another Jasper Laser wrinkle... David Farber (Jan 04)