Quantum & RelativityElectricity
Electricity Is Slow
Electrons crawl along a wire; the signal races
You flip a switch and the light comes on at once. So do the electrons rush from the switch to the bulb?
You'll find out
- How fast electrons really move in a wire
- What actually races to the lamp
- Why a tube of marbles explains it
Why it matters
Every flip of a switch and every tap on a screen sends a push along a wire. Here is what really travels.
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