Carolyn Trietsch recently defended her Ph.D. in entomology at Penn State. You can view her website or follow her on Twitter @carolyntrietsch. Laser pointers are perhaps the most abused visual aids in ...
“Repaired, then over-repaired, until I broke it for good.” How did this solution eventually lead to dissolution? According to Paul Rako, the laser pointer took too much of a “beading.” The batteries ...
Low-cost apparatus designed by National Institute of Standards and Technology (NIST) researchers to quickly and accurately measure the properties of handheld laser devices has shown that nearly 90 ...
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