How does a scuba diver’s oxygen tank last for ~1 hour but an astronaut’s lasts ~6-8 hours when both tanks are around the same size?
In: Technology
The pressure under water compresses the air. The deeper you go, the less your air lasts. If you have access to a pool, take a tall empty glass and turn it upside down. Hold your breath and dive to the deep end holding the glass upside down. See the glass is no longer full of air. It is compressed. Go back towards the surface. It appears there is more air.
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