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Fish

The experiment of Bawden et al, where they made a fish swim in a dispersion of Tobacco Mosaic virus between crossed polyarizers (Nature, 1936), repeated: a toy fish in a dispersion of fd virus.

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Rods that do not fit

Rods that don’t fit in the local structure will create their own space, just as oversized cars do.

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Hydrodynamics at a large scale: the advantage of being a rod “Treintje Snelle Jongens”.

Hydrodynamics at a large scale: the disadvantage of being a sphere.

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