Cryogenics

Liquid nitrogen is nitrogen that is cold enough to exist in liquid form. It is used for many cooling and cryogenic applications. Here are some liquid nitrogen facts and information about handling liquid nitrogen safely.

Dry ice is solid carbon dioxide. Here are some facts about dry ice that can help keep you safe when working with it, plus are just fun to know.

Make liquid nitrogen ice cream as a cool cryogenics or phase change demonstration or for a quick and tasty treat.

Are you looking for an activity or project with liquid nitrogen? This is the most extensive list of liquid nitrogen ideas you're likely to find, plus you're welcome to add your own suggestions.

Make your own homemade liquid nitrogen substitute. This poor man's liquid nitrogen may be used for many of the same projects as you would perform using liquid nitrogen.

Do you know what dry ice is? Learn about dry ice and find fun projects that use dry ice.