Every now and then, one of my columns elicits enough reader response to merit a follow-up. Such is the case with a piece I wrote on green laser pointers (November 2013), in which I outlined their ...
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 ...
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 ...
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