Жидкий азот под воздействием вакуума.

At standard sea level pressure, liquid nitrogen has a boiling point of -321 °F / -196 °C. That’s just 77 °C above absolute zero. It’s very cold stuff! Solid nitrogen is something few people have ever seen. In this lecture, ChefSteps explains why liquid nitrogen goes solid under an extreme vacuum: At ChefSteps, we don’t tell you how to cook, we show you—with recipes designed to inspire and educate, tested techniques for successful results at home, and a lively forum where you’ll