When an intense light source, such as a laser, is used to analyze them, this carbon causes black plastics to absorb light ... black plastics can be instantly analyzed for recycling purposes. (Purdue ...
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Scientists develop sun-powered-solution that could help solve garbage problem: 'Simple, visible light … holds the potential to transform'Part of that is because some plastics aren't easily recycled. Black plastic, for example, generally can't be sorted at ... amount of heat when it absorbs light. When researchers beamed LED light ...
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