Many disposable objects are made of black plastic, which has so far proven to be very hard to recycle. US scientists have ...
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Sunlight transforms these hard-to-recycle plastics into reusable materialsMixed with a little sunlight or white LED light, the scientists say they can convert black and colored polystyrene into ...
Not all plastics are equal — some types and colors are easier to recycle than others. For instance, black foam and black ...
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