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Nature 410, 32-33 (1 March 2001) | doi:10.1038/35065199
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- Shinshu University
- Ueda, Nagano 386-8567 Japan
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- LSTM
- Liverpool, United Kingdom
Condensed matter: Memories of paste
David A. Weitz
Abstract
Pastes are not the simple materials they appear to be. It seems they have a 'memory': after a force has been applied, they recover and move back in the opposite direction.
Pastes are familiar materials we use every day, for example, when we brush our teeth. They are prototypic 'soft' materials1: they behave as a solid until a sufficiently large load or stress is applied, at which point they flow like a fluid.
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