How good are you at judging the passing of time? Find out below.

A simple game: open the microwave door as close to the timer hitting 0:00 as you can without the bell dinging.

Free, the way we like it.

Up top, my best score after trying for about a minute.

Fair warning: there goes the day.

Below, the highest score possible,

which many brag about here.

[via Kottke]