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Leidenfrost droplet Demonstration of the Leidenfrost effect Leidenfrost effect of a single drop of water. The Leidenfrost effect is a physical phenomenon in which a liquid, close to a solid surface of another body that is significantly hotter than the liquid's boiling point, produces an insulating vapor layer that keeps the liquid from boiling rapidly.
Immersion foot syndromes are a class of foot injury caused by water absorption in the outer layer of skin. [1] [2] There are different subclass names for this condition based on the temperature of the water to which the foot is exposed. These include trench foot, tropical immersion foot, and warm water immersion foot.
Hippolytus de Marsiliis is credited with the invention of a form of water torture. Having observed how drops of water falling one by one on a stone gradually created a hollow, he applied the method to the human body. Other suggestions say that the term "Chinese water torture" was invented merely to grant the method a sense of ominous mystery.
“I poured Dead Sea salts in my bath, which softened the water and took away its sting," Barta says. "And when I felt up to it, I tried to spend as much time outdoors as possible, which also helped."
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Due to the lengthy process, death by boiling is an extremely painful method of execution. Executions of this type were often carried out using a large vessel such as a cauldron or a sealed kettle filled with a liquid such as water, oil, tar, or tallow, and a hook and pulley system. [1]
The boots were slowly filled with boiling water or oil, or even molten lead, to consume the feet and legs. One variant—applied in Ireland to the martyr Dermot O'Hurley—consisted of lightweight metal boots that were filled with cool water and heated with the feet inside over a fire until the water boiled aggressively. [citation needed]