To be able to display fixed or animated simple pictures or some characters from a PC, this project demonstrates the construction of a very low cost X Y scanner for a laser pointer. To be able to ...

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 ...

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 ...

A team at Lewis University, Illinois, has developed a potential means to improve the safety of pilots when laser pointers are maliciously directed at aircraft from the ground. It involves the use of a ...

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 ...