richard3030 comments on me want cookie

me want cookie (mander.xyz)

submitted 1 year ago by fossilesque@mander.xyz to c/science_memes@mander.xyz

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[–] richard3030@lemmy.one 0 points 1 year ago (1 child)

Rock looks blue when we shine blue light on it 😂

[–] Tlaloc_Temporal@lemmy.ca 2 points 1 year ago

This is fluorescence, which turns invisible light into blue light. Like how your teeth and some clothes glow at a rave or glow bowling alley.

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lemmy:	0.19.20
mlmym (mschae):	26.3.4