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 ...

Everybody knows not to shine laser pointers in your eye. They could damage your vision! (Emphasis on could, since your eye’s blink reflex would probably protect your retina.) But what if you were an ...

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 ...

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 ...

Use PowerPoint’s laser pointer to catch attention and add excitement Your email has been sent Use PowerPoint's cool laser pointer feature to simulate a laser pointer during a PowerPoint presentation.

Playing with a laser pointer may have left a young boy with permanent eye damage, according to a case study. A 9-year-old boy visited an ophthalmology clinic in Larissa, Greece, complaining of vision ...

Laser pointers may jazz up your PowerPoint presentation, but they can pose serious hazards to your eyes if you use them the wrong way. Case in point: A boy in Greece burned a hole in his retina after ...