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 ...

The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you ...

Like a lot of people, I own multiple laser pointers. These come in handy when I do public speaking for work, but that's only once a month or so. And with the sad passing of our dog back in December ...

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 ...

For many years, one of the biggest stumbling blocks I faced at star parties was the confusion that arose whenever I tried to show attendees the locations of notable stars and constellations or the ...