Mixing gold ions into whiskey can reveal its flavor
The finding could offer master blenders a cheap, quick test for checking spirit quality
![Two people sample whiskey from a wood cask](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/10/102022_NO_whiskey_feat.jpg?fit=1030%2C580&ssl=1)
Whiskey distillers could use gold ions to determine whether a cask is ready to be bottled or blended.
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