Liquid Nitrogen

Learning how to cook with liquid nitrogen isn't necessarily difficult; however it is a dangerous chemical to use if you are not experienced with it, and you should take care to get expert instruction before learning how to cook with liquid nitrogen.

The latent heat of vaporization of liquid nitrogen will be experimentally calculated for the liquid to gas transition of the chemical.

Dry ice has interesting chemical and physical properties. It has long had novelty uses. Now suddenly a big marketing push is on to make it both house hold appliance and food preparation ingredient.

Humans have lived on the planet we know long before our history tells. But the planet known to these humans of times gone past would be entirely alien to any of us. Nevertheless, their story may serve as a warning to today's world.