NEW YORK -- A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online ...
NEW YORK - A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online.
To astronomers, the new breed of hand-held laser pointer is a way to write in the sky, its two-mile-long beam allowing them to trace constellations and point out individual stars. To a lost hiker, the ...
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