High-powered laser pens can do a lot more harm than just distracting an opposing player, like cause permanent blindness, and the fear is that the trend that's taken hold amongst European soccer fans ...
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 ...
new video loaded: Laser Pointers and Traffic Cones: Creative Ways Hong Kong Protesters Are Organizing transcript Traffic cones, suitcases and laser pointers: These are just some of the objects that ...
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