Hand vs. Liquid Nitrogen

Hand vs. Liquid Nitrogen

I go back to sticking my hand into liquid Nitrogen but remain uninjured due to the Leidenfrost effect.

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 .