[arachne] Re: Best tip of the year

Arachne at FreeLists---The Arachne Fan Club!

Steve,

At 30 or 32 ft, if you are more correct (been a long while since I even glanced at a dive table), you have an *additional* one atmosphere of pressure.

Thus, unless you are diving in an area which has no absolutely no atmosphere above the water you are in, at 30-32' under water you are under a total of two (2) atmosphere's of pressure. (At sea level. At one time I lived at 6200' elevation, and the higher lakes were at 6500' ... special dive tables were required, because surfacing to less than one atmosphere of pressure could cause big problems if decompression wasn't timed correctly.)

l.d.
====

Steve wrote: 
Arachne at FreeLists---The Arachne Fan Club!


On Sat, 5 Nov 2005, L.D. Best wrote:

No stem-wound wrist watch small enough to wear in public could ever be truly water proof even at only 30' depth (2 atmosphere's pressure at that level).


You're on a roll. First the verb/vowel thing, and now the atm/feet of water thing.

(1 atm = approx. 32' water)


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