I'm putting this in with an EE tag.

        http://www.digitalsundial.com/

Utterly brilliant.
Much dearer than one might hope.

What we want is a revolving propeller clock or oscillating arm type that is
solar powered and uses sun position to deduce the time, as this does.

The truly insane could also measure sun angle at midday to auto detect
latitude :-)


        RM



link: Roger Hawkins
___________________________________________________________
If we have already accidentally created an unexpectedly lethal virus by
single
gene transfer, why should we believe that it might not happen again, once
or on numerous occasions in future, but in less controlled circumstances?

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