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Laser pointer - Wikipedia
Laser Pointer Safety - A comprehensive resource, for safe and responsible laser use
Solved Lasers produce, to a very good approximation, a | Chegg.com
SOLVED: Consider a typical red laser pointer with wavelength 651 nm. What is the light's frequency in hertz? (Recall the speed of light c = 3.0 × 108 m/s).
Green Lasers: A Hidden Danger - Sky & Telescope - Sky & Telescope
The typical red laser pointer is about 5 milliwatts... : r/xkcd