Ah c'mon, it's essentially a foregone conclusion that ice cream leads to happiness, so it's no surprise to hear of an invention like Dr. Whippy. This ingenious device reportedly analyzes ones voice as he / she answers questions and determines how stressed the individual is, and as you may expect, the more unhappy one seems, the more ice cream is dispensed. Score one for the pessimists.

[Via WeMakeMoneyNotArt]