ROCHESTER, Minn. -- Mayo Clinic ophthalmologists have found commercially available Class 3A green laser pointers can cause visible harm to the eye's retina with exposures as short as 60 seconds. The ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results