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  Shear Hardening

  Concentrated starch solutions (typically 50%) exhibit strong shear hardening properties: they almost turn into solid when they are forced to flow. A long liquid filament is however formed when a drop of such a liquid drips from a pipette. The filament finally breaks into smaller satellite droplets.

Contributed by Suraj Deshmukh, Jose Bico, Vladimir Entov and Prof. Gareth McKinley. Massachusetts Institute of Technology, Cambridge, MA, USA http://web.mit.edu/nnf.

 

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