Caroline,

Your intuition is 180 degrees out. In this reproducable experiment,
the rotation induced in the second disc is always opposite the rotation
of the first. Why is that?

Neil

"c.h.thompson" wrote:

> Hi Jhan
>
> My intuition says the opposite: one rotating disc will try and make the
> other rotate in the SAME direction! As you say, we need to suck it and see.
>
> Caroline
>
> ***********************
>
> Jhan Davis' message, 16:2:00:
>
> Claude, Ross, et al -
> The technology of this is still something we're all thinking about,
> but what I'm getting a good feel for now is that anytime you spin a disk,
> you're just *supposed* to have another disk, as physically equivalent as
> possible to the first, positioned at some distance from it along the axis of
> rotation, spin planes parallel, positioned so that they share the same axis
> of rotation, but are loosely-coupled (not rigid axis) so that they can
> rotate
> separately. I'm hesitant about saying that they should be spaced 2pi radii
> apart, or 2e radii apart, along the rotation axis, but we should attempt to
> find values that work. There's bound to be a numeric trick in it. Now for
> the fun part...
> I'm sensing that clockwise rotation of one disk "should" induce
> counterclockwise rotation in the other, & vice-versa, when they're properly
> spaced apart. This is related to the concept of energy flow within the
> Compton Radius vortex. Also to the connectedness of all things in the
> universe. Maybe subatomic particles have this characteristic. In which
> case
> I'd also expect the universe, as a super-particle, to have the same singular
> topological feature. Let's build the doggone thing and see what happens!
> - Jhan
>
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