This 2 Clay Pots Sand Solar Refrigerator without Electricity Project is made with simple inexpensive materials with the goal of decreasing down to the temperature of 6°C (43°F).

Harnessing the power and rays of the sun has been used by civilizations for centuries. But when electricity was discovered all but many of the 3rd world countries became heavily dependent on electricity. Unfortunately, it is extremely expensive to buy electric appliances and then pay for the electricity to run them.
This article was designed to introduce the readers to a unique way to keep items cool using solar power.
Materials:
1 large clay flower pot
1 small clay flower pot
sand
towel
water
clay or plumbers putty (only needed if there is a whole in the bottom of the pot)
Conditions under which an evaporative refrigerator could reach 6°C (43°F)
Outside Temperature Relative Humidity
20.5°C (69°F) 0%
18.3°C (65°F ) 10%
15.3°C (59°F ) 20%
13.3°C (56°F ) 30%
12.2°C (54°F ) 40%
10.5°C (51°F ) 50%
