Liquid Nitrogen and the spinning ping pong ball

Liquid Nitrogen and the spinning ping pong ball

2 holes are punctured at a slanting/glancing angle into a ping pong ball. It is then immersed in liquid nitrogen. The air inside it cools. This lowers the air pressure inside the ping pong ball.

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 .