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AlchemistK
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I was watching the messenger lectures by Feynman and in the third lecture he talks about conservation. In the beginning he talks about the conservation of charge, and at one point demonstrates a thought experiment in which two observers, one stationary and the other moving, see a charge disappear at one point in front of them and another similar charge reappear behind them. The person stationary with respect to the charges see the charge appear at the same time it disappears, but the second person disagrees because of his movement.
Then Feynman states that charge is conserved locally.
What does he mean by that?
(He also states that if something is conserved, it must also be conserved locally.)
Then Feynman states that charge is conserved locally.
What does he mean by that?
(He also states that if something is conserved, it must also be conserved locally.)