Wireless Fridge: Refridgeration without Electricity

For hundreds of years a similar type of cooling has been employed by desert dwellers around the world. The concept is explained by a simple law of thermodynamics. When moisture comes in contact with dry air it evaporates. You see, water has this amazing characteristic of having a very high retention of heat (it is used in cooling nuclear reactors after all).

This ancient technology has been used for cooling water for hundreds of years. Mohammed Bah Abba took this idea one step further…