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The effects of breathing high concentrations of oxygen on treadmill performance time, the exercise and postexercise pulse, and the relationship between excess lactic acid and oxygen debt were studied. The breathing of oxygen during the maximal performance test improved the performance time of each test. Oxygen debt was significantly reduced for the first minute of recovery after breathing oxygen during the test. The excess lactic acid was reduced after the first minute of recovery and was found to peak during the third minute of recovery. A linear relationship was observed between excess lactic acid and oxygen debt while breathing air or oxygen during the test.
They wouldn't be able to make a choice. A lack of oxygen does not create any real symptoms of danger. You might get a little short of breath, maybe a little tired, then you pass out, then you die. But unless the room was sealed the lost oxygen would be replaced by more air flowing into the room to replace it.
Lob in one or more canisters of this material and the people inside would either come out of the building or suffocate. I
Fires do a pretty good job of eating up oxygen on their own, trouble is, there is more where it came from. If there isn't the fire dies.
The crystals could be dumped on a fire to suck the oxygen out of the air and kill the flames. If that's feasible , it would be a big help in fighting large forest fires.
The study involved about a bucket full (10 liters) of microscopic grains, and found them to be enough to completely suck the oxygen out of a room. Professor Christine McKenzie said......“A few grains contain enough oxygen for one breath
originally posted by: CranialSponge
a reply to: Phage
Okay, but what if these crystals enable a person to inhale water via some kind of mask that gets placed over their face and mouth, oxygenate the body by breathing through the crystals like a filter, and exhale the waste product CO2 ?
Like a fetus in the uterus ?
Or am I starting to sound too sci-fi ish...
The crystals would produce the same effect by removing the oxygen ( again, 20% of the air volume) from around a fire and it would quickly burn itself out.
Faster than the fire consumes oxygen?
Removing something is not the same as displacing something.
There is no significant difference whether it's removed or displaced. In either case, it's no longer there.
originally posted by: N3k9Ni
a reply to: Phage
The air we breathe is about 21% oxygen. Fire needs an atmosphere with at least 16 percent oxygen. Even if more air comes in, if these crystals can maintain an oxygen level below 16 percent, the fire will go out.