Transportation within a habitiat

On Tuesday, July 9, 2002, at 07:29 AM, panamabob wrote:

>> Nope. Nitrogen is not a heavier gas then air.
>
> Curious, wonder why its used in packaging to evacuate air in
> preservation?
>

It's pretty much inert - N2 doesn't like to react with much of
anything. No chemical reactions leads to good preservation.

The materials in one asteroid (the largest ) are sufficient to make
orbital space colonies with ~500 times the surface area of the Earth in
usable real estate. See http://lifesci3.arc.nasa.gov/SpaceSettlement/
for details.

Al Globus
CSC at NASA Ames Research Center
http://www.nas.nasa.gov/~globus/home.html