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 ...

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 ...

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 ...

Back in 2008, a number of planes and helicopters flying over Sydney, Australia, suffered a series of coordinated attacks in which somebody attempted to blind pilots using laser pointers. The ...

Even a laser beam to the face can’t stop Tom Brady. But pointing a laser at him could lead to criminal charges and a permanent ban from an NFL stadium. It could also lead the NFL to rethink stadium ...

If playing with but a single laser pointer is fun, then playing with 500 laser pointers must be 500 times the fun, right? So by extension, training 500 laser pointers on a single point must be the ...

If playing with but a single laser pointer is fun, then playing with 500 laser pointers must be 500 times the fun, right? So by extension, training 500 laser pointers on a single point must be the ...