This New Oxygen-Hoarding Crystal Is the Future of Breathing Underwater

It only takes about 10 liters of a newly-developed form of crystalline cobalt salt to steal the air from a room, or at least the 21 percent or so of that air comprised of oxygen. Given the right conditions, with the temperature and atmospheric pressure just so, it could take as little as seconds for the material to do its work. Then, by gently heating the material or subjecting it to low surrounding oxygen pressures, the material can be prompted to release its O2 payload back into the air.

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