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Comments on Puzzle #25803: What Physics Concept? #12
By Brian Bellis (mootpoint)

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  quality:   difficulty:   solvability: line & color logic only  

Puzzle Description:

Traveling electromagnetic wave

#1: Brian Bellis (mootpoint) on Aug 5, 2018 [SPOILER]

The changing electric field produces a magnetic field that changes to produce the electric field so that the wave propagates all at the speed of light.
#2: Jota (jota) on Aug 23, 2020
Now I have aa headache! Too much learning :D
#3: Bill Eisenmann (Bullet) on Jun 10, 2021
Beautiful image!

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