This shadow met all criteria: it was visible to the naked eye, matched the laser ... In this experiment, the green laser beam raised the absorption rate of blue light in the ruby crystal.

The FAA is authorized to hand out civil penalties of up to $11,000 per violation and up to $30,800 for multiple laser ...

Quanta Ray PRO350 with frequency doubling, emitting a 532 nm beam ... their eyes checked shortly after at the ophthalmologist. These kind of stories are a stark reminder that laser safety ...