Oh, I love these Drink Rocks. They keep your spirits as they should be: undiluted. These shaped stones are designed to be chilled in your freezer before being admired in your evening cocktail.
They do not work. They can’t work, from a thermodynamic point of view. They’ll cool down your drink a few degrees initially, then they’ll quickly get warmer together with the drink. If you use ice, the drink will stay cold untill all the ice has melted. It’s the first law of thermodynamics.
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