Blu-Ray Burning Laser - Uranium Marbel and Matches

Blu-Ray Burning Laser - Uranium Marbel and Matches

This is the Blu Ray - Blue Violet burning Laser I bought from Ebay, comes with the components to build you own current source, I calibrated this one to 110mA.

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 .