[time-nuts] temperature stability basics

[jimlux]

J. Forster wrote:
> That's what those golden thermal blankets are on spacecraft and in
> cryostats. I'm not quite sure whether the golden color comes from a
> deposited film of Au, or whether it's color comes from the Mylar. It's
> more likely the former. I've seen the stuff up close, but have not worked
> wit it personally.
> 
> Anyway, the blankets are made of a mulit-layer sandwich of the film and
> something like spider web as spacers between layers. In vacuum there is no
> convective transfer, the spider spacers reduce conduction, and the
> metalization reduces radiation.

http://en.wikipedia.org/wiki/Multi-layer_insulation

I like the pseudo technical phrase "constructed with sewing 
technology".. rather than the simpler "sewn".

Spacesuits use it too. beta cloth as the separator in a lot of cases.