Support WBURHere's how physics could make big crowds saferPlay10:04Download AudioRegina G. BarberEmily KwongAilsa ChangRachel CarlsonJordan-Marie SmithFebruary 07, 2025 ShareFor years, researchers have been studying the physics of crowds. Researchers think fluid dynamics could provide insights for how to make crowds safer. (zamrznutitonovi/Getty Images)