breathable
Colonize Mars Within 1,000 Years?
"Robert Zubrin, president of The Mars Society has developed a five step plan towards conquering the red planet and enabling humanity to establish a second home within the solar system."
>30 days ago by PaulRaven, 1 User, more info saveDon't Flush It -- Breathe It
Making oxygen from recycled urine. I imagine the smell might piss you off after a while
>30 days ago by PaulRaven, 1 User, more info save