(...) Water is compressible, just not enough for people to notice. Just in case anyone cares, I looked it up. Compressibility of water at 20 degrees Celsius: 49.1 PPM per atm (from 1 atm to 25 atm) 47.6 PPM per atm (from 25 atm to 50 atm) 46.8 PPM (...) (25 years ago, 10-Aug-99, to lugnet.off-topic.geek)
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