Interesting Engineering on MSN
YouTuber builds 4,000-rpm electric motor from LEGO bricks and simple magnets
In a world filled with high-tech robotics kits and programmable gadgets, one artist decided ...
For decades, permanent magnets have been one of the least questioned links in the electrification supply chain.
China controls about 90% of the entire global supply of rare earth magnets, including their mining and refining. That means that most of the neodymium, dysprosium, and terbium that end up in EV motors ...
"The market has gone absolutely crazy." That's the shared sentiment among many executives at magnetic material and motor plants. As of February 9, 2026, the price of praseodymium-neodymium (Pr-Nd) ...
The electric vehicle revolution has created market forces to drive all sorts of innovations. Battery technology has progressed at a rapid pace, and engineers have developed ways to charge vehicles at ...
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