Electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS lifts the train slightly above the track using electromagnets, while EDS, powered by superconducting magnets, provides ...
When the whole point of the Pinewood Derby is to cheat, then you pull out all the stops, and you might try building an electrodynamic suspension hoverboard car. Fortunately for [ch00ftech], the ...
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