Fundamental Force in a Bathhouse
Pale Blue Pod
00:00
Electromagnetism and Gravitation
The electromagnetic force is the one responsible for opposite electrical charges attracting and repelling each other. The electric force happens between static charged particles, whereas the magnetic force operates between charged particles that are moving. And since you can use a magnetic field or an electric field to produce the other, they're essentially the same thing. So it's weird because you can carry electromagnetic energy across the entire universe in a single photon.
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