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A type of refrigerator patented in 1930 by Einstein and Szilard could be produced on a global scale to protect the environment from the use of freon or other greenhouse gases that for cause of increased demand for household refrigerants especially in developing countries could be released into the air. This type of refrigerator using ammonia, butane and water instead of freon exploiting the principle that the liquid reaches the boiling point at a lower temperature if the pressure is lower (phenomenon verifiable in mountains) and is just a simple pump to activate the mechanism that removes heat from the outside without using compressors and saving electricity. To the study also the synthetic copy of the structure of the diatoms algae that have a very complex silica microporous framework able to deflect the rays of light and in this way to capture solar energy (ecological and free).

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Telephone: +39 338 1809310 Date: 23/09/2008 article n°: 782 _____________________________________________________________________________________________________