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 ...

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 ...

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, researchers tested 122 laser pointers and found that nearly 90 percent of green pointers ...

I’m sure all of you reading this have seen or used a laser pointer at some point in your life, or maybe you’ve even bought one online. But have you ever paid attention to the warning signs on your ...

Flight crews reported more cases of ground-based lasers hitting aircraft last year than at any time since records started in 2010. A police officer whose helicopter was struck compared the experience ...