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  - GREEKREPORTER.COM - A La Une - 25/Aug 12:02

How to Extract Gold From E-Waste Using Old Milk

An aerogel made from old milk can extract highly pure gold nuggets from discarded computer motherboards. Discarded electronics, known as e-waste, often contain large amounts of gold and other heavy metals. Scientists have come up with methods to recover the valuable metals, but these processes often rely on synthetic chemicals that can damage the environment. […]

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