Reply to post: Re: I have red, green and violet (sold as blue) laser pointers.

Aircraft laser strikes hit new record with 20 incidents in one night

a_yank_lurker Silver badge

Re: I have red, green and violet (sold as blue) laser pointers.

The glow in the dark is either phosphorescence or fluorescence. Both require the illumination of a suitable material with light of the correct frequency to occur. For many common materials this is in violet region.

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