[time-nuts] FEI-5660 Rubidium Oscillator

[djl]

granite is not only radioactive, but also piezoelectric.

Dpn

On 03/29/2014 12:48 PM, Magnus Danielson wrote:
> On 28/03/14 04:47, Mark Sims wrote:
>> no, No, NO granite!  Granite tends to be rather radioactive 
>> (particularly avoid the pink stuff).  Any audiofool worth his tin 
>> ears can't have no stinkin' alpha/beta/gamma particles mucking with 
>> his music!
>
> In that case you don't want a Rubidium clock in there.
> Rb-87 has a 48,8 miljard years half-time with beta- emission.
>
> Then again, it's about three times the life of universe, so it's not a 
> very strong radioactive source. :)
>
> Cheers,
> Magnus
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