= J. Zhang
{c}
A researcher whose joint work measured the <Brownian motion> of an <ellipsoid> using both a laboratory frame and a frame that rotates with the particle. The two descriptions expose different displacement statistics. This provides an experimental example of why a random trajectory must be analyzed with its changing orientation, rather than position alone.<Brownian Motion of an Ellipsoid by Yilong Han and others>[pp. 626–628, Figs. 1–3: coordinate frames and displacement distributions]{ref}
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