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Science Section => Science General Discussion => Topic started by: _Xenu_ on June 23, 2013, 05:34:06 PM

Title: Liferaft Filters Seawater to Make Freshwater
Post by: _Xenu_ on June 23, 2013, 05:34:06 PM
http://www.stumbleupon.com/su/A9u6Gk/:I ... s-its-own/ (http://www.stumbleupon.com/su/A9u6Gk/:IPeS2-oe:TdU25L7o/www.mymodernmet.com/profiles/blogs/life-raft-makes-its-own/)
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: Colanth on July 05, 2013, 06:09:38 PM
1) We've been doing this for years, just using a water "still", not the raft itself.  But neither a still nor this raft are or will become mandatory on ocean-going vessels.  As long as it floats, it fulfills the requirements.

2) A length of line and a fishing lure and some hooks (use the lure to catch the first fish, then use the inedible parts of the fish as bait) will serve the same purpose.  Ocean fish are full of fresh water and most are safe (and pretty palatable) to eat raw.  The problem is that most people don't know that they can stay alive at sea for a very long time just eating a few fish (and some supplement pills for missing nutrients) a day.  "Bathroom" facilities would pose a larger problem for most mixed-gender groups (at first).
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: Gawdzilla Sama on July 05, 2013, 07:29:12 PM
Need a soccer ball, too.
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: Hakurei Reimu on July 05, 2013, 08:38:35 PM
But salty sea water tastes so good!  :( ( :wink: )
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: Dreamer on July 05, 2013, 11:27:56 PM
This is a necessity for the coming Zombie Apocalypse.
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: Solitary on July 06, 2013, 12:11:37 AM
:shock:  8-[  :-$  :rollin:  Solitary
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: mknayman on July 10, 2013, 07:15:16 AM
I don't know if you've ever read it, but this book about sea survival is incredible...
http://www.amazon.ca/Adrift-Seventy-six ... 0618257322 (http://www.amazon.ca/Adrift-Seventy-six-Days-Lost-Sea/dp/0618257322)

Steven Callahan survived 76 days at sea in an inflatable raft. Incredible story... lots of discussion about how to make fresh water, catch fish, and in general, not go bonkers.
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: Mermaid on July 10, 2013, 07:20:47 AM
Thanks for the recommendation, I've been looking for something like that to read in the pool.  :)
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: SGOS on July 10, 2013, 07:22:41 AM
Quote from: "Dreamer"This is a necessity for the coming Zombie Apocalypse.
:rollin:
Title: Re: Liferaft Filters Seawater to Make Freshwater
Post by: _Xenu_ on July 10, 2013, 09:22:01 AM
Quote from: "Dreamer"This is a necessity for the coming Zombie Apocalypse.

(//http://assets.nydailynews.com/polopoly_fs/1.1180615.1349961066!/img/httpImage/image.jpg_gen/derivatives/landscape_635/zombie12n-1-web.jpg)