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 ...
Aim a handheld laser pointer at an aircraft in flight and you can blind or disorient its pilots and jeopardize the safety of the craft and everyone aboard. It’s a federal crime punishable by up to ...
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