pi3142 4th Gear August 7, 2018 Share August 7, 2018 Cheap green laser pointers may be emitting infrared laser which is dangerous as it is invisible. You may be staring at the invisible infrared laser till your eyes are damaged without you noticing it. This is especially so when the mechanism of the green laser pointer is damaged and emits only invisible infrared laser only. https://www.youtube.com/watch?v=iR1Ku5dnbH8 ↡ Advertisement 1 Link to post Share on other sites More sharing options...
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