Entry into Inner S pâte
169
Ûbviously many of the advantages of living "underwater will be
Wiped out if a surface support team muSt dance attendance all the
time, and the direction of experiments has been
complete
independence from the surface. Conshelf3, for example, was a selfcontained pressure vessel, although it still relied largely onîpower
supplied from the surface via an umbilical «cablewhich also carried
television and radio links. To conserve Supplies of the breathing
mixture, it had complex monitoring systems and a cryogenic plant -
which, among other tasks, froze the e'xhaledrcarbOn dioxide into ,a
solid block and eliminated it. The ratio of
in the atmosphere
is absolutelycriticaltosafety and survival and all the'underwer
houses “haVe —boasted a formidable array of sensors and controls.
Typical of these is the—system- devised by the Americanscientist,
Alan Krasberg, for controlling oxygen. The Krasberg control
embodies a sensor which reàcts to the numberof Oxygen molecules
gas sample bychanges in electrical current—_the,zhigherg the
oxygen content, the greater the voltage. The current opens and
closes a supply valve according toWhèther the oxygen content is too
low or too‘high,nthus ensuring a constant level -offoxygen in the
breathing mixture.—
'
“
>
‘
»
‘
;
…
*
;
The biggest problem of all
Of decofnpressio and the
time it'takes to remove the inert gases Which have inltraæd the
body tissues so successfully.. While prolonged stays underwaær
improve the “ ratio of
in dècompression totime spent
usefully in the water, the“
cannot move: from one depth“to
an0ther without keeping, a Watchful eye on:? :decO‘mpreSsion
‘
procedures. In addition to such restraints,t the;îïheedî to nbreathe
gases xes the nal limit to which
one
a few thousand feet,
the gases under the pressure
.
existing at , thèse
argued . Cousteau,
‘
mari must” tbè*îäpre13aredf ro:
'
reliance on breàthing gas mixtuæsl His suggestiOn-Ethàt
Waterman, Homo aquarium, could
Who
to
dèSCerid - deep into the ocean: and ' retürn—æto:…the
JWi‘thoùt
decompressmg; caused a sensation..
;:this‘
reSéarchæ*£into
WhiCh
connected diréd: —îto.wtheî‘à=hüfhän;«cifculatorÿ System;
Cousteau
a unit small”èoügh ‘to‘ be
on
body; All that
became possible
to :cr‘eàtethi's new-ràcéç-bf man, would
for… surgeons to
into
6*
169
Ûbviously many of the advantages of living "underwater will be
Wiped out if a surface support team muSt dance attendance all the
time, and the direction of experiments has been
complete
independence from the surface. Conshelf3, for example, was a selfcontained pressure vessel, although it still relied largely onîpower
supplied from the surface via an umbilical «cablewhich also carried
television and radio links. To conserve Supplies of the breathing
mixture, it had complex monitoring systems and a cryogenic plant -
which, among other tasks, froze the e'xhaledrcarbOn dioxide into ,a
solid block and eliminated it. The ratio of
in the atmosphere
is absolutelycriticaltosafety and survival and all the'underwer
houses “haVe —boasted a formidable array of sensors and controls.
Typical of these is the—system- devised by the Americanscientist,
Alan Krasberg, for controlling oxygen. The Krasberg control
embodies a sensor which reàcts to the numberof Oxygen molecules
gas sample bychanges in electrical current—_the,zhigherg the
oxygen content, the greater the voltage. The current opens and
closes a supply valve according toWhèther the oxygen content is too
low or too‘high,nthus ensuring a constant level -offoxygen in the
breathing mixture.—
'
“
>
‘
»
‘
;
…
*
;
The biggest problem of all
Of decofnpressio and the
time it'takes to remove the inert gases Which have inltraæd the
body tissues so successfully.. While prolonged stays underwaær
improve the “ ratio of
in dècompression totime spent
usefully in the water, the“
cannot move: from one depth“to
an0ther without keeping, a Watchful eye on:? :decO‘mpreSsion
‘
procedures. In addition to such restraints,t the;îïheedî to nbreathe
gases xes the nal limit to which
one
a few thousand feet,
the gases under the pressure
.
existing at , thèse
argued . Cousteau,
‘
mari must” tbè*îäpre13aredf ro:
'
reliance on breàthing gas mixtuæsl His suggestiOn-Ethàt
Waterman, Homo aquarium, could
Who
to
dèSCerid - deep into the ocean: and ' retürn—æto:…the
JWi‘thoùt
decompressmg; caused a sensation..
;:this‘
reSéarchæ*£into
WhiCh
connected diréd: —îto.wtheî‘à=hüfhän;«cifculatorÿ System;
Cousteau
a unit small”èoügh ‘to‘ be
on
body; All that
became possible
to :cr‘eàtethi's new-ràcéç-bf man, would
for… surgeons to
into
6*