Designed a completely nonfunctional flying machine
Long before the Wright brothers, Emanuel Swedenborg decided he was going to invent an airplane. He drafted incredibly detailed blueprints for a flying machine powered purely by a pilot aggressively flapping large wooden wings. It was aerodynamically impossible and completely ridiculous, but he defended the math with absolute, unwavering confidence.

This article describes beliefs and cultural traditions, which are not necessarily scientifically established facts.
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