Gold foam is now a thing, thanks to scientists in Zurich
If eating gold is no longer highbrow enough for you, perhaps you can consider drinking it — as a foam on top of your morning latte. Thanks to some remarkable innovations at ETH Zurich, scientists have now been able to create a super lightweight aerogel out of 20 carat gold. Composed of 98 parts air for every two parts solid material, it’s the lightest gold that’s ever been created.
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