Wednesday, December 8, 2021

How Crowds Run When Bulls Charge

The running of the bulls in Pamplona, Spain, helped researchers study what happens when lots of people suddenly wish to move quickly.

Image credits: Shutterstock

How Crowds Run When Bulls Charge

The running of the bulls in Pamplona, Spain, helped researchers study what happens when lots of people suddenly wish to move quickly.

James Gaines, Contributor

December 7, 2021

                                                                                                                                                                              

(Inside Science) -- People walking alone walk relatively quickly. A crowd walks slowly. But how does a crowd move when there is, say, a massive bull charging at them? To answer this, scientists analyzed the movement of a crowd of runners during the running of the bulls in Pamplona, Spain, in 2019.


The San Fermín festival in Pamplona, Spain, hosts the world's best-known running with bulls event. Every morning for a week each year, festival officials send six bulls charging down a set of narrow, blocked-off streets toward waiting crowds of people.


In 2019, pedestrian dynamics researcher Daniel Parisi, from the Technological Institute of Buenos Aires, attended the festival -- though he was not running himself. Instead, Parisi was gathering data...

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