Cooling a cup of coffee with help of a spoon Posted by jyro2080 on Wednesday February 16, 2011 @11:32PM from the physics.stackexchange.com dept. http://physics.stackexchange.com/questions/5265/cooling-a-cup-of-coffee-with-help-of-a-spoon ( Read More... | 43 comments | 94 points | on HN )