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NYC Subways Testing Flywheels

socolow writes "The New York Times (free registration required) has an article about the NYC subway system's use of flywheels to store the braking energy of trains approaching stations. Not only does this advance the development of flywheel energy storage, but it will help relieve a lot of the heat subways generate (always appreciated during the summer)."

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  1. Re:Wow, 36,000 is a lot of RPM... by Tablizer · · Score: 1, Redundant

    Flywheels, in my opinion, are simply the best way to store energy. When fiber flywheel explodes, it does so one thread at a time.

    Spiderman might be interested to hear more about this technology.