If you put a warm beverage in a fridge, 10 minutes later it is still warm. Put it in near freezing water, and in 10 minutes it is cold. Also since the cold is mostly in the liquid, it doesn’t escape when a lid is opened. Why are there not liquid filled beverage coolers?
Edit: maybe cooler is the wrong word. Mainly thinking of stationary beverage chiller to replace something like a mini fridge that is constantly plugged in.
In: Technology
The terminology you are looking for is the thermoelectric cooler, or Peltier cooler. They work, but require a good bit of electricity to really help and only cool by about 40° from ambient. Not bad, but not as frosty as ice, which is inexpensive and commonly available.
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