Sponge that boils water using sunlight

Discussion in 'General Science & Technology' started by Plazma Inferno!, Aug 23, 2016.

  1. Plazma Inferno! Ding Ding Ding Ding Administrator

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    4,609
    MIT engineers have invented a bubble-wrapped, sponge-like device that soaks up natural sunlight and heats water to boiling temperatures, generating steam through its pores.
    The design, which the researchers call a “solar vapor generator,” requires no expensive mirrors or lenses to concentrate the sunlight, but instead relies on a combination of relatively low-tech materials to capture ambient sunlight and concentrate it as heat. The heat is then directed toward the pores of the sponge, which draw water up and release it as steam.

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    From their experiments, the researchers found the structure heated water to its boiling temperature of 100 degrees Celsius, even on relatively cool, overcast days. The sponge also converted 20 percent of the incoming sunlight to steam.
    The low-tech design may provide inexpensive alternatives for applications ranging from desalination and residential water heating, to wastewater treatment and medical tool sterilization.

    http://news.mit.edu/2016/sponge-creates-steam-using-ambient-sunlight-0822
     
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  3. timojin Valued Senior Member

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    Very interesting
     
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