[time-nuts] Non electrical time-nuttery

[Lux, Jim (337C)]

On 1/9/10 3:21 PM, "J. Forster" <jfor at quik.com> wrote:

> Maybe you could "pump" the pendulum optically, using a beam of light, like
> those glass bulb "radiometers" they sell that spin on a sunny window
> ledge.
> 
> -John
> 


Hmm, and could you have a moving mirror that does the pumping?  I suppose
one could make a mechanical (non-electrical) sensor of a reflected beam of
light using thermal means.. Like those automatic solar trackers that use
propane as the working fluid.