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2. Pot-in-pot refrigerator - Wikipedia

   en.wikipedia.org/wiki/Pot-in-pot_refrigerator

   A pot-in-pot refrigerator, clay pot cooler [1] or zeer (Arabic: زير) is an evaporative cooling refrigeration device which does not use electricity. It uses a porous outer clay pot (lined with wet sand) containing an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed. The evaporation of the ...

3. Yakhchāl - Wikipedia

   en.wikipedia.org/wiki/Yakhchāl

   Yakhchāl of Moayedi, Iran. A yakhchāl (Persian: یخچال "ice pit"; yakh meaning "ice" and chāl meaning "pit") is an ancient type of ice house, which also made ice.They are primarily found in the Dasht-e Lut and Dasht-e-Kavir deserts, whose climates range from cold (BWk) to hot (BWh) desert regions.

4. Dilution refrigerator - Wikipedia

   en.wikipedia.org/wiki/Dilution_refrigerator

   Schematic diagram of a cryogen-free, or dry, dilution refrigerator precooled by a two-stage pulse tube refrigerator, indicated by the dotted rectangle. A 3 He/ 4 He dilution refrigerator is a cryogenic device that provides continuous cooling to temperatures as low as 2 mK , with no moving parts in the low-temperature region.

5. Passive daytime radiative cooling - Wikipedia

   en.wikipedia.org/wiki/Passive_daytime_radiative...

   Desert climates have the highest radiative cooling potential due to low year-round humidity and cloud cover, while tropical climates have less potential due to higher humidity and cloud cover. [5] [35] Costs for global implementation have been estimated at $1.25 to $2.5 trillion or about 3% of global GDP, with expected economies of scale. [34]

6. Matki (earthen pot) - Wikipedia

   en.wikipedia.org/wiki/Matki_(earthen_pot)

   They are made by the combination of two types of clay: the first is taken from the surface of the earth and the second after digging more than 10 feet deeper into the earth. Making a matka is a long process of at least 8 days. The clay is mixed with water, shaped, finished, polished, dried and fired in a kiln for 5 days.

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Talk:Pot-in-pot refrigerator - Wikipedia

   en.wikipedia.org/wiki/Talk:Pot-in-pot_refrigerator

   The only parts which are referenced refer to the pot-in-pot refrigerator, specifically Emily Cummins's eco-fridge variant, and multiple sources refer to this as a "solar-powered refrigerator". Chris Cunningham (user:thumperward) 07:58, 6 February 2012 (UTC) Absolutely. Yes, pot in pot is solar powered, just like a clothesline is.

9. Do you need a neti pot — and is it safe to use? Here's what ...

   www.aol.com/lifestyle/neti-pot-safe-heres...

   What are the risks of using a neti pot? Dr. Zara M. Patel, an otolaryngologist at Stanford Medicine, tells Yahoo Life that the biggest risk of using a neti pot is not the device itself but what's ...