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18 comments to "Cooling with clay"
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nate
July 21st, 2008 at
2:22 pm
brilliant.
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Neatoramawontsendmeapassword
July 21st, 2008 at
2:28 pm
Cool! Literally.
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Idil
July 21st, 2008 at
2:32 pm
wow that’s so simple and logical…why didnt anyone ever think of that before??
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Thor Thorgoodson
July 21st, 2008 at
2:38 pm
Perfect example of “There are no new ideas, just new audiences”. This has been around in one form or another sense at least the Romans.
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Ali S.
July 21st, 2008 at
2:58 pm
It’s so simple, yet, it has the potential to help thousands of people around the world to “refrigerate” their food without electricity!
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Tim Giachetti
July 21st, 2008 at
3:22 pm
Nice!!!!
Perfect for the next hurricane here.
THNX Gail. -
Max Power
July 21st, 2008 at
3:36 pm
Looks like $100.000 get you nowhere in Nigeria. :S
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Larry
July 21st, 2008 at
3:47 pm
“why didn’t anyone ever think of that before??
Don’t want to take even a tiny bit away from this man, but the same fundamental principle is involved it at least a few things that have been around a while. The ones that come to mind:
Look at movies of the Okies migrating–all those cars had one or more water bags, made from canvass, that kept the water cool by evaporating a little of the water.
You might also see in the windows of some of the cars, and on roofs and in windows of some homes things some of us called “swamp coolers” or just “coolers” where water flowed across a fiber mat (I don’t remember what the mat was made of–sisal? hemp? while air flowed through the mat into the car or house.
In hot weather I wear cotton flannel shirts (over the cotton T-shirts I wear year-round) so the sweat will evoporate and cool me a bit.
I suspect the cloth down the back of the neck might do the same thing.
Where I lived as a little kid, houses didn’t have basements or cellars usually, but they often had “coolers” which were cupboards with hardwae cloth for shelves, and open to the crawl space (damp earth–cool) and the attic). Most of the food we now keep in the refrigerator would have been keep in the cooler because ice for the ice box was expensive.
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Tom
July 21st, 2008 at
4:16 pm
Yes, water has cooled by evaporation since the beginning of time. The question is, has it been used to keep food cool?
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mrstinky
July 21st, 2008 at
7:09 pm
I visited the Goreme open-air museum in Cappadocia, Turkey and they used this same principle. There were square, shallow holes dug into the cave’s dirt/stone floors, and the guide said they filled pots with food and surrounded them with clay that they kept moist - an early regrigeration system. http://www.youtube.com/watch?v=tHRT2Tiyaek
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??
July 21st, 2008 at
9:53 pm
it’s from china
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alison
July 21st, 2008 at
11:25 pm
Now he can buy himself a refrigerator!
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Demonio Flatline
July 22nd, 2008 at
3:24 am
This uses the same principle as a “Botijo” (http://es.wikipedia.org/wiki/Botijo sorry it’s in spanish only).
It is a very popular thing here in Andalucia.
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bl0ss0m
July 22nd, 2008 at
4:10 am
Lol! I remember doing that when we went camping as a kid - we would get an ordinary cool box and put all our milk, eggs and stuff in it & then surround it in layers of water soaked newspapers and that was that!! It was perfect…though this was in Ireland where there doesn’t tend to be too much trouble keeping things cool in summer^_^
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bl0ss0m
July 22nd, 2008 at
4:21 am
Woops - forgot important part, we used to cover the top of the cool box with a damp tea towel/ dishcloth to finish the trick. Ok, where can I collect my $100,000?
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Randalll
July 22nd, 2008 at
9:44 am
The guy didn’t invent the principle, but engineered the widespread use of it. If someone comes up with a cure for cancer that cost fifty cents, I don’t care if the ancient chinese discovered it, the person who cures me with it is the hero.
I would like to know how much cooler it makes the food. Does it drop the temperature more than 20 degrees?
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kid_icarus
July 22nd, 2008 at
11:32 am
nice….however, i would still forget about my veggies in the crisper and they’d rot there anyway…….
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Terry
July 22nd, 2008 at
6:10 pm
The Australian Coolgardie Safe.
“The Coolgardie Safe was made of wire mesh, hessian, a wooden frame and had a galvanised iron tray on top. The galvanised iron tray was filled with water. The hessian bag was hung over the side with one of the ends in the tray to soak up the water.
Gradually the hessian bag would get wet. When a breeze came it would go through the wet bag and evaporate the water. This would cool the air and in turn cool the food stored in the safe.
It was usually placed on a veranda where there was a breeze. The Coolgardie safe was a common household item in Australia up to the mid-twentieth century. Safes could be purchased ready-made or fairly easily constructed at home. Some of the metal panel safes are very highly decorated, showing the great creativity of their makers.”
Source Wikipedia
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