Why the other line is likely to move faster [Video]

In the following video, Bill Hammack of engineerguy.com reveals how “queueing theory” – originally developed by engineers to route phone calls – can be used to design efficient check out lines, and why, in stores with non optimized lines, the other lines always seem to move faster.

Previously on [GaS]: How Quartz Watches Work: The Piezoelectric Effect in Action

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