Radiations from Radium on an old alarm clock

Radiations from Radium on an old alarm clock

An old alarm clock which has Radium coating on the handles and the faceplate for glow in the dark effect, the glass probably shield most of the radiations.

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 .