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Hydrogen Micro Turbine Only 4mm In Diameter

Posted by chrisd on from the small-is-way-cool dept.

savaget writes: "Luc G. Frchette of the Columbia University Microsystem Engineering Laboratory has developed a 20W electrical generator powered by a hydrogen turbine just 4mm in diameter. For more details, read the Wired article or an older Popular Science article. The tiny generator is more efficient than any battery and is expected to find military and commercial uses including robotics." Imagine the uses ...

2 of 353 comments (clear)

  1. 2.4 million RPM by blair1q · · Score: 5, Funny


    That's 40 KHz.

    Your dog is going to go totally nuts every time you turn on your PDA.

    --Blair

  2. heat by tdrury · · Score: 5, Funny

    Apparently it generates a lot more heat than a conventional battery. Too hot for a cell phone. New slogan:

    "Reach out and torch someone."

    -tim