[time-nuts] temperature stability basics

[jimlux]

Poul-Henning Kamp wrote:
> In message <4CF1D64E.2010709 at earthlink.net>, jimlux writes:
>> Poul-Henning Kamp wrote:
> 
>> We use aerogel for insulation in Mars rovers..  Those little RHUs don't 
>> put out a lot of heat, and you don't have much electronics on at night.
> 
> Do you know if that is in big blocks or in granular form ?
> 
Blocks..
They "cast" it (well.. more like do the reaction which makes the stuff 
in a sort of tray... think baking dish), then trim to size.

There's a fair number of "recipes" around to make your own aerogel.  I 
haven't tried it, but it seems fairly straightforward, and non-exotic. 
There are some process controls you need to figure out, but, hey, the 
same applies to baking chocolate cakes and cookies.