The Water Circulator A circulator from Polyscience designed to maintain a water bath temperature to within a tenth of a degree. The ping pong balls floating on top serve as an insulator, helping the bath to maintain its temperature
Behind the Scenes at the Nathan Myhrvold's Modernist Cuisine Cooking Lab | Serious Eats A Liquid Nitrogen Container Liquid nitrogen vaporizes at around -321°F. That's pretty darn cold. Liquids and foams freeze almost instantly upon contact, making it ideal for rapid chilling and setting of things like this melt-in-your-mouth apple foam.