[time-nuts] Thunderbolt stability and ambient temperature

J. Forster jfor at quik.com
Wed Jun 10 20:14:14 EDT 2009

Yeah, but...  water can leak and make a real mess or evaporate over time
and rust things or ...  Maybe if it were in a chemically inert, glass

Why not use a brick or some clean rocks or a few pounds of old nuts and



> Joseph M Gwinn wrote:
>> I read somewhere the suggestion to take the cast iron block from an old
>> automobile engine and put it in a heavy insulated wooden cabinet: ~250
>> Kg
>> of iron in an insulated box.  Cracked blocks are useless in an engine,
>> and
>> so are available in junkyards quite cheap.
> Yes, but water is so much easier to find, and easier to
> package, plus it has a great storage capability.
> -Chuck Harris
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