[EMAIL PROTECTED] wrote:
Ulrich Windl <[EMAIL PROTECTED]> wrote:
"Max Power" <[EMAIL PROTECTED]> writes:
Use of "Atomic Clock" Nomenclature
<snip>
It seems that Cs clocks are now forbidden to fly
because cs133 is highly flamable (or even does it
burn spontaneously ?) in the ambiant air.
Cesium belongs to the same chemical family as Sodium and Potassium. It
will burn spontaneously when exposed to air and/or water! I would be
surprised, however, if the amount of cesium in a cesium beam tube were
sufficient to be serious problem. And if I were shipping a cesium beam
tube or an entire cesium clock by air, I would take extreme care in
packing it. I'm told that the cheapest cesium clocks cost about $40,000 US.
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