Human crowds are best modeled by a 'visual neighborhood'

Human crowd dynamics are best predicted by a visual neighborhood model, based on the visual fields of each person in the crowd. Birds flock, fish school, and human crowds, too, move in a collective motion pattern. Understanding ...

Getting sustainability done in New York City

Just in time for Earth Day, New York City has issued a new sustainability plan, one that focuses on means as well as ends. Like the initial plan issued by the Bloomberg administration in 2007, the Adams plan is grounded in ...

SpaceX nails booster landings after foggy military launch

SpaceX launched its mega Falcon Heavy rocket for the first time in more than three years Tuesday, hoisting satellites for the military and then nailing side-by-side booster landings back near the pad.

Dense liquid droplets act as cellular computers

An emerging field explores how groups of molecules condense together inside cells, the way oil droplets assemble and separate from water in a vinaigrette.

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A crowd is a large and definable group of people, while "the crowd" is referred to as the so-called lower orders of people in general (the mob). A crowd may be definable through a common purpose or set of emotions, such as at a political rally, at a sports event, or during looting (this is known as a psychological crowd), or simply be made up of many people going about their business in a busy area (e.g. shopping). Everybody in the context of general public or the common people is normally referred to as the masses.

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