Coffee Cooling Joulies

Well these are interesting – stainless steel coffee beans!

What do these stainless steel coffee beans promise to do?  The creators of “Coffee Joulies” claim that you can drop a couple in your coffee and it will quickly cool your hot cup of coffee to a drinkable temperature.  They work by absorbing the heat of the coffee.  Then when your coffee starts to cool they give up the heat and keep your coffee warm.


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