CNI's new product--405nm blue ray laser pointer Its color is very amazing, blue violet, round spot. As known earlier, the blu-ray laser diode is widely used in blue laser drive or player and its ...
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 ...
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