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.

PERIODIC TABLE SONG – LISTEN TODAY

Periodic table song in order

Magic sand . . .

The hydrophobic coat of the sand causes the grains to adhere to one another to minimize surface area when exposed to water. As soon as the sand is taken out of water, it is dry and flows freely.



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