On 20/5/19 10:50 am, Fox's Mercantile wrote:
On 5/19/19 5:45 PM, Cursitor Doom wrote:
I was under the impression that glass was impermeable even to omnipresent
hydrogen. Or is there a path via where the base pins protrude?

Hydrogen atoms are really really small.
Trying to keep hydrogen in or out is always problematic.

Also, a kilogram of hydrogen at a given pressure takes more space than
any other gas.