This home experimenter makes a really cool vortex configuration using copper wire and some type of board.  There have been a lot of different YouTube videos that are related to “Tesla coils” and other similar types of configurations.  No one knows for sure if this can lead to energy efficiency or if it is just interesting to watch.

Note: Do not try this without the supervision of a professional.

Let’s check out the coil configurations in the videos on the next page

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