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Nature Materials 7, 174–175 (1 March 2008) | doi:10.1038/nmat2131

Granular matter: Sticky sand

Arshad Kudrolli

Adding a small amount of liquid to granular matter transforms its properties in practical ways. Wet sand can be easily sculpted, grain segregation can be prevented, and particle agglomeration can be manipulated, making it an important phenomenon in industrial processes.