What Is Electric Current? - Ivor Catt, Electrical Engineer
The DemystifySci Podcast
00:00
The Effect Is Instantaneous
Michael, Michael raised this as an example of its centenious action. And I said, that gives you the opportunity to talk about a subject which is not electromagnetic theory. Well, one side of this pencil can move the other side instantaneously. No, no. But when that hammer, that thing is moving. The time delay for sound down the hammer and back is how long the hammer stays fixed to the drum. Sure. As soon as the back end of the hammer begins to move, you see what you're talking about are signal transduction through a material which is different than the actual movement of the material.
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