Scientists Use Plastic To Create Lightweight 18-Carat Gold

Maitreyi Mantha
Mon, 17 Feb 2020 14:57:52 -0800

While jewelry crafted from gold can be gorgeous, even ardent fans will admit that wearing the heavy metal over long periods of time can get a little cumbersome and annoying. Now, researchers from Swiss university ETH Zurich have created a new form of lightweight gold that weighs five to ten times less than traditional 18-carat gold — which typically comprises 75 percent gold and 25 percent copper — but retains the same purity.