xkcd #2926: Doppler Effect
xkcd #2926: Doppler Effect
Alt text:
The Doppler effect is a mysterious wavelength-shifting phenomenon which seems to primarily affect sirens, which is why the 🚨 emoji is red.
xkcd #2926: Doppler Effect
Alt text:
The Doppler effect is a mysterious wavelength-shifting phenomenon which seems to primarily affect sirens, which is why the 🚨 emoji is red.