xkcd

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submitted 3 months ago by [email protected] to c/[email protected]

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Alt text:

The Doppler effect is a mysterious wavelength-shifting phenomenon which seems to primarily affect sirens, which is why the 🚨 emoji is red.

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[–] [email protected] 14 points 3 months ago

[–] [email protected] 10 points 3 months ago (1 children)

I think there's an xkcd for that topic... 🙃

spoiler

(/s in case it is not blatantly obvious)

[–] [email protected] 4 points 3 months ago (1 children)

I believe it's this one...

[–] [email protected] 7 points 3 months ago

Are you sure you didn't mean this one?

TIL that wasn't actually an official one, hrm.:-|