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Granular media

Structures in sand streams

An ingenious experiment that involves dropping a costly, high-speed video camera from a height of several metres reveals how free-falling streams of granular matter, such as sand, break up into grain clusters.

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Figure 1: Rupture of streams.



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Lohse, D., van der Meer, D. Structures in sand streams. Nature 459, 1064–1065 (2009).

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