Laser Pointer Hazards Measured by NIST Scientists

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, National Institute of Standards and Technology (NIST) researchers tested 122 laser pointers and found that nearly 90% of green pointers and about 44% of red pointers tested were out of compliance with federal safety regulations. 

http://spacewatchtower.blogspot.com/2013/03/laser-pointer-hazards-measured-by-nist.html

gaw

Glenn A. Walsh, Project Director,
Friends of the Zeiss < http://friendsofthezeiss.org >
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SpaceWatchtower Blog: < http://spacewatchtower.blogspot.com/ >

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