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The principle of polarity is based the first and uniting principle "The mind is all and everything is mental"

I don't think so but electricity/electromagnetism. I'd say that the theory of relativity is based on electromagnetism

But if you are interested in physics, look for the Electric Universe theory. See my blog as a good starter:
https://steemit.com/science/@earthcustodians/the-electric-universe-1-800-thunderstorms-occurring-at-any-time-around-the-world-are-the-dominoes-falling-for-standard-cosmology

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