An experimental physicist who coauthored direct measurements of Brownian motion of an ellipsoid. Tracking both position and orientation showed how diffusion along the particle's long and short axes differs, and how rotational diffusion changes what a laboratory-frame observer sees. The example exposes geometry hidden by the spherical-particle approximation.[ref]
Brownian Motion of an Ellipsoid by Yilong Han and others. Abstract and simultaneous translational/rotational tracking
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