Power lines are there to channel or direct broad halos of electromagnetism in a direction determined by something as simple as someone depressing the lever on their toaster. Suddenly a pathway opens up, one that wasn’t there an instant before, and electricity follows it, moving into and through the toaster, where it is slowed down as it passes. This slowing down, or resistance, produced by the device causes electrons to release heat, which toasts the bread. After a certain number of seconds the lever pops back up, ejecting the toast and closing off the toaster channel, and electricity must
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