Cool from a "what are the bare requirements" perspective. Shows what *can*
be done for bounded conditions.

Simple elegance.

"Bill Hale" wrote in message
m...
Check their website. Here's what I gleaned from that...

The vessel holds its sea level pressure. It is doubly redundant,
same as the single container-space suit solution. There is no
pressurization per se. They just let it leak.

They bring in a small amount of oxygen to keep the o2 concentration
steady.

They filter off and dump C02. Bill Hale, in awe