Uranium marbles

Uranium marbles

Glow under a black light. These are actually safe to handle. The radiation sticker is for novelty purposes.

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 .