How the pyramids influenced Nikola Tesla: Famed Serbian-American inventor Nikola Tesla is best known for being the brains behind the modern AC electrical supply system, but it turns out that behind part of his mad-scientist facade was an obsession with the Egyptian pyramids, according to BigThink. He believed the pyramids contained a power to send energy wirelessly due to their shape and location, which provided the inspiration for his experimental Wardenclyffe Tower and his designs for generators that could theoretically use the Earth’s ionosphere as a source of energy.

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