Yes, the sun may now clean specially coated cotton fabric – no water needed!Scientists in China have developed cotton fabric that uses sunlight to get rid of stains and smells on clothes . This special coating includes photocatalysts which trigger chemical reactions in light. One of these called titanium dioxide helps sunscreen block the sun and it is also used as tattoo ink. Another photocatalst, called silver iodide, is now used for developing photographs.
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Great stuff -no water clean clothes ,save our water for drinking and other stuff…..wow!