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Maybe you never thought of it, but during an ordinary walk in the streets, during moving on the escalator or travelator at the airport there exist between you and nearby pedestrians certain force interactions, which influence the movement of the entire group of people. Moreover, the denser traffic causes stronger interactions. In the most of the cases, however, such an interaction is not like typical physical forces. The reason is that there are no physical contacts among persons. In fact these contacts are represented by the so-called sociophysical interactions when a certain social impulse ( effort to prevent the meeting with unpopular person) leads to a change of physical parameters of your route. Are such forces measurable in principal? Is it possible to describe the attraction among distant humans qualitatively? Although it seems that not, the opposite is true. Let’s show you some instruments how to measure social forces.
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