Originally posted by nmdavidbThat's easy.
There will always be "Which came first...the chicken or the egg?'
Or "...the can or the can opener?"
My fave is always the Steven Wright joke..."If I melt dry ice can I swim without getting wet?"
Anybody else got some of these?
Dave
1. The egg.
2. The can. read http://en.wikipedia.org/wiki/Can_opener
3. Dry ice is called "dry ice" because it goes through sublimation in normal pressure conditions - it goes straight from solid to gas, hence leaving its surroundings dry.
If you were to melt dry ice, you would have do it in a highly pressurized environment. If you will be in a pressure suit, it is logical to assume you won't get wet; if not, you will get wet (as if you were immersed in any other sort of liquid)... and you might also get crushed by the pressure.
Originally posted by RetrovirusProvided all airspaces in the body are equalised, pressure isn't a problem until oxygen becomes toxic at ~8 atm. CO2 is a liquid at this pressure at about -50C, so provided you can stick the cold for a few minutes, you'd swim around, then start depressurising and/or increasing the temperature and it would simply boil off. Have some burn cream ready though... (the freezing point of water doesn't change appreciably over that pressure range)
That's easy.
1. The egg.
2. The can. read http://en.wikipedia.org/wiki/Can_opener
3. Dry ice is called "dry ice" because it goes through sublimation in normal pressure conditions - it goes straight from solid to gas, hence leaving its surroundings dry.
If you were to melt dry ice, you would have do it in a highly pressurized environment. If you ...[text shortened]... ere immersed in any other sort of liquid)... and you might also get crushed by the pressure.
http://wiki.answers.com/Q/What_is_the_maximum_depth_a_human_can_dive_to
http://www.themeter.net/conv13_e.htm
http://www.lsbu.ac.uk/water/phase.html
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