Water Solves Mazes, Why Not Electrons?

A few weeks ago, we looked at a video showing water “solving” a maze. [AlphaPhoenix] saw the same video, and it made him think about electrons “finding the path of least resistance.” So can you solve a maze with foil, a laser cutter, a power supply, and some pepper? Apparently, as you can see in the video below.

At first, he duplicated the water maze, but without the effect of gravity. It was hard to see the water flow, so pepper flakes made the motion of the liquid quite obvious. The real fun, though, started when he cut the maze out of foil and started running electrons across it.

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