[time-nuts] Cheap Rubidium

[J. Forster]

A Faraday Cage will do nothing to stop DC magnetic fields, unless made of
superconducting material.

-John

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> I wonder how peltier devices would work for this application. Coupled
> with a temperature feedback servo they could be used to heat/cool the
> rubidium. Does anyone know if they have any electromagnetic field
> issues with them, the ones I have seen seem to be completely enclosed
> in aluminium which should act as a Faraday cage. They have the
> potential of providing a large thermal transfer capability compared
> with passive devices.
>
> 73,
> Steve