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Some Pointers on the Use of Laser Pointers
by Richard Tresch Fienberg
A recent addition to the backyard astronomer's toolkit has been flagged as a potential weapon in the terrorist's arsenal. The humble laser pointer, used by thousands of skygazers to show beginners the way to stars and constellations, is coming under fire from US federal and state authorities following several recent incidents in which laser beams have "painted" aircraft in flight....
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Laser Pointers
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