xkcd: Spectroscopy

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Spectroscopy

Permanent link to this comic: https://xkcd.com/1517/
Image URL (for hotlinking/embedding): https://imgs.xkcd.com/comics/spectroscopy.png

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Three Word Phrase, SMBC, Dinosaur Comics, Oglaf (nsfw), A Softer World, Buttersafe, Perry Bible Fellowship, Questionable Content, Buttercup Festival, Homestuck, Junior Scientist Power Hour

Other things:
Tips on technology and government,
Climate FAQ, Katharine Hayhoe

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