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Chapter 506: Perpetual Motion Machine and Photographic Optics
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... age to present their inventions or magical theories.
Among the inventions, there were three perpetual motion machines, clearly showing the wizards' keen interest in creating infinite power sources. The most reliable one was the magnetic perpetual motion machine, which used a dozen permanent magnets to generate power, projected to last for many years. However, this device was ultimately rejected by Lynn.
After all, with such strong magnets at their disposal, why wouldn't they use ...
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