this post was submitted on 30 Apr 2024
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xkcd

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https://xkcd.com/2926

Alt text:

The Doppler effect is a mysterious wavelength-shifting phenomenon which seems to primarily affect sirens, which is why the ๐Ÿšจ emoji is red.

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[โ€“] [email protected] 10 points 6 months ago (2 children)

I think there's an xkcd for that topic... ๐Ÿ™ƒ

spoiler(/s in case it is not blatantly obvious)

[โ€“] [email protected] 4 points 6 months ago (1 children)
[โ€“] [email protected] 7 points 6 months ago

Are you sure you didn't mean this one?

img

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