Scientists at the University of Warwick have cracked a long-standing problem in air pollution science: how to predict the movement of irregularly shaped nanoparticles as they drift through the air we breathe. These tiny particles — from soot and microplastics to viruses — are linked to serious health risks, yet most models still treat them as perfect spheres for simplicity. By reworking a century-old formula, researchers have created the first simple, accurate way to predict how particles of almost any shape behave.
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