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Someone asked me what I thought of Undercurrents...  It seems to be pretty
good for what it is.  Most (about 3/4) of it is dedicated to readers
personal reviews and experiences of dive resorts and locations throughout
the world.  I am not rich enough to visit many of these sites and verify
the accounts written in the magazine, but of the few I've been two, the
reviews are fairly accurate.  They are not afraid to point out the bad
along with the good, such as unsafe boat trips where the boats have no
radio communication.  One of these cheap, mickey mouse vacation packages
was responsible for the death of several Japanese divers, who where caught
in the current and swept out to sea, and not recovered in time due to a
lack of radio on the boat.  The other forth of the writing is dedicated to
other dive issues, such as what causes diving accidents, the pros/cons of
free ascent training, and various news bits of concern to divers such as
the recent finding that UV may be responsible for some large scale coral
reef death in Florida waters.

Concerning 100% O2 rebreathers...Does anyone have any information about a
Japanese manufactured O2 rebreather featured on Beyond 2000 a few years
ago.  It used two small O2 canisters, and two flexible (accordian type)
hoses that wrapped around the head where the Co2 scrubber was located. 
(The hoses flexibility was supposed to decrease the chances of AGE.)  It
was an extremely simple system.  They instructed users to breath at the
surface as deeply as possible before descending to get as much atmospheric
N2 as possible in their lungs so the PPN2 was as large as possible (to
avoid Oxtox, ect).  The unit of course is meant for shallow diving only,
but any rebreather is better than none from a photographers view point.

Mark....

"All paid employments absorb and degrade the mind" - Aristotle

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