Why Does Our Line of Supermarket Always Seem Slower than the Others?

The English physicist Robert Matthews, a 1996 igNobel winner of physics, explained in an interview to CNN why we always have the impression that our line in the supermarket goes at a slower rate than the others. The phenomenon is quite common. You fill your shopping cart and carefully select the thread that looks faster, whether it has fewer people or that consumers are with less items to pass through the box, to get rid of the task as soon as p…