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 ...

A 9-year-old boy in Greece was left with damaged vision after staring into a laser pointer. His doctors describe the case in a paper published in the New England Journal of Medicine. The boy's parents ...

Being an airline pilot is a job of tremendous pressure. It goes without saying, then, that expertise and absolute concentration are paramount. So much so, in fact, that the Federal Aviation ...

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 ...

“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 ...

SlideShow Presentation is important for presenting a new piece of work and ideas to an audience on a projection screen. Whether it is a business presentation or an academic presentation, we all use ...