dedeleco wrote:For vacuum, it is necessary to read carefully the German research and achievements and the effect of the size of pores under vacuum on the average free path, before having too fast certainties, on the difficulties of use.
It is the only solution to divide the thickness by 10 in a reliable industrial way.
Agree that the insulators are only air immobilized in pores of 0,5cm at most, therefore very inexpensive.
Vacuuming it could cost as little, for 10 times more insulation.
!!
And it's real, much less imaginary than ITER at 15 billion € !!
YAKAFAUCON. Dédé he likes YAKAFAUCON.