What if you have a need for liquid nitrogen, but you do not wish to simply order it from a local supplier? In that case you can build your very own pulse tube cryocooler, as [Hyperspace Pirate] is ...

From edible bubbles to flavor-changing ... foam creation (using stabilizers to make light, airy textures), and flash-freezing ...

The Utah-born franchise uses liquid nitrogen to make more than 100 variations of ice cream, frozen yogurt and Italian ice to order in front of customers. Founders Jerry and Naomi Hancock pitched ...