"​without any ​need for any ​external form ​of energy??? ​"  What do you call that big, fiery, ball in the sky?   And yes--you answered your own question to the affirmative in the first para.

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"​without any ​need for any ​external form ​of energy??? ​"  What do you call that big, fiery, ball in the sky?   And yes--you answered your own question to the affirmative in the first para.  

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Yes. Mr. Laker Room Temperature Evaporation is the only physical phenomenon which does not need any supply of external energy to separate pure water vapor from saline water, as the energy needed is supplied by cooling the bulk of saline water cooling it.

      Dear Mr. Laker I can see you are carrying the flag of Norway which is a honorable country, it would be better for you to remove this flag as you are presenting an opinion of an illiterate person. The basic design equation of tower water coolers relies on this fact. Review a little bit, before you take such an offensive. PE stands for Professional Engineer.

 

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