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 ...
YouTuber and inventor Styropyro has built and tested a 250-watt handheld laser device. The system is roughly 50,000 times more powerful than standard commercial laser pointers, Styropyro claims in his ...
The handheld laser pointers you can buy at office supplies stores are legally required to be no powerful than 0.005-watts, and most fall well below that threshold so they’re relatively safe to use.
'It can feel like a game they never win': A vet shares the real risks of laser pointers for your cat
When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images/Evgeny Zhigalov If you’re on the hunt for the best cat toy, you might be ...
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