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 ...

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 ...

Laser pointers are hand held, battery operated devices designed or adapted to emit a laser beam that may be used for the purposes of aiming, targeting or pointing. In recent times, some members of the ...