Re: [SWR] Artificial gill for cave divers?

2014-01-17 Thread Mike Flannigan
It's total hooey. http://deepseanews.com/2014/01/triton-not-dive-or-dive-not-there-is-no-triton/ Mike Too good to be true? http://tinyurl.com/ltgrjlf Yes, it's not real; no such working device actually exists. Just one of many physical issues: to extract enough oxygen to support h

Re: [SWR] Artificial gill for cave divers?

2014-01-16 Thread DONALD G. DAVIS
John Corcoran wrote: >Thanks Donald, > >That echoes my thoughts that it would take a lot of energy to process enough >water for a human to use the oxygen, but couldn't to do the calculation on >average human consumption per unit time vs. how much oxygen is available per >unit volume of water (ass

Re: [SWR] Artificial gill for cave divers?

2014-01-16 Thread John Corcoran
ction). Regards, John -Original Message- From: swr-boun...@caver.net [mailto:swr-boun...@caver.net] On Behalf Of DONALD G. DAVIS Sent: Thursday, January 16, 2014 11:09 AM To: s...@caver.net Subject: Re: [SWR] Artificial gill for cave divers? "Lee H. Skinner" wrote: >Too good t

Re: [SWR] Artificial gill for cave divers?

2014-01-16 Thread DONALD G. DAVIS
Mark Minton wrote: > Say what, Donald? That looks like the same hype as the other >articles. But I agree that it couldn't possibly have enough surface >area to provide a useable amount of breathable air. I also question >whether human lungs would be powerful enough to draw the oxygen i

Re: [SWR] Artificial gill for cave divers?

2014-01-16 Thread Mark Minton
Say what, Donald? That looks like the same hype as the other articles. But I agree that it couldn't possibly have enough surface area to provide a useable amount of breathable air. I also question whether human lungs would be powerful enough to draw the oxygen in, although perhaps that'

Re: [SWR] Artificial gill for cave divers?

2014-01-16 Thread DONALD G. DAVIS
"Lee H. Skinner" wrote: >Too good to be true? > >http://tinyurl.com/ltgrjlf Yes, it's not real; no such working device actually exists. Just one of many physical issues: to extract enough oxygen to support human breathing, it would have to process so much water that it would behave as