Comments on Puzzle #25783: What Physics Concept?
By Brian Bellis (mootpoint)
peek at solution solve puzzle
quality: 
difficulty: 
solvability: moderate lookahead?
peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead?
Puzzle Description:
The Doppler Effect
#1: Jota (jota) on Aug 23, 2020
It made me smile, at least twice!#2: Brian Bellis (mootpoint) on Aug 23, 2020
I'm sure this puzzle had at least a few comments. Where did they all go?#3: Bill Eisenmann (Bullet) on May 12, 2021
Terrific illustration of the concept. But you should have made us try to figure it out!#4: Kristen Vognild (kristen) on May 17, 2021 [SPOILER]
it's a blue shift!
The title is a bit presumptuous, but here's a handy little cartoon: https://www.reddit.com/r/memes/comments/bbia7f/if_you_understand_this_youre_a_high_level_genius/
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