The Optimal Way to Board Plane Passengers

"Zone 4 is now boarding." With that announcement, one lines up, walks past the ticket-taker, down the ramp, and eventually enters the plane to witness a few people valiantly crunching their ungainly carry-on bags into the overhead compartments and most others impatiently waiting in the aisles to do the same. Those already in the aisle seats are casting a wary eye on the next backpack threatening to attack them when its owner unthinkingly pivots in the aisle. Is the standard boarding method...Full Story