Stephen A. Lawrence <sa...@pobox.com> wrote:

> I need to point out
> that a solenoid with movable core which is holding a lever in position
> -- say, for instance, holding the little man's arms in position (the
> little man is a robot in that case) is also *NOT* "doing work" despite
> the fact that it's getting hot.
>

I used that example too, in the discussion with Correa.



>
> The solenoid in the robot, and the muscles in a human, DISSIPATE
> ENERGY.    That's for sure!


That's what I meant. Anyway, the electroscope is not dissipating energy.

- Jed

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