Magic sand . . .

Magic sand . . .

The hydrophobic coat of the sand causes the grains to adhere to one another to minimize surface area when exposed to water. As soon as the sand is taken out of water, it is dry and flows freely.

test Introduction to Chemistry

Introduction to ChemistryIntroduction to Chemistry

Self healing hydrogels and its industrial applications

Hydrogels are water-swollen, cross-linked polymeric structures produced by reactions of monomers or by hydrogen bonding. This hydrogels used in various applications .



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