You Probably Shouldn’t Buy This Laser [Built on Facts]
Posted on June 30th, 2010 by Star Wars Lightsaber News
The laser pointer, much beloved of PowerPoint lecturers, cat owners, amateur scientists, and middle school boys at movie theaters, is actually a pretty amazing device. There's quite a bit you can do with a relatively cheap laser, and they're just plain fun. They're also relatively safe. The red pointers are usually Class 2 and the green ones are usualy class 3R. Class 2 lasers are very difficult ...
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