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Temperature vs time plots, showing the Mpemba Effect. The Mpemba effect is the name given to the observation that a liquid (typically water) that is initially hot can freeze faster than the same liquid which begins cold, under otherwise similar conditions.
Hot cognition is a hypothesis on motivated reasoning in which a person's thinking is influenced by their emotional state. Put simply, hot cognition is cognition coloured by emotion. [1] Hot cognition contrasts with cold cognition, which implies cognitive processing of information that is independent of emotional involvement. [2]
The exact stimulus for this output is not understood, but it is known that freezing cold temperatures causes an influx of water to the leaf petiole. As the turgor pressure increases, the leaves roll up, making it tighter to the stem. The leaf also droops perpendicular to the ground. There are predictions on the mechanism of this behavior.
Humans inhabit hot climates, both dry and humid, and have done so for millions of years. Selective use of clothing and technological inventions such as air conditioning allows humans to live in hot climates. One example is the Chaamba, who live in the Sahara Desert. They wear clothing that traps air in between skin and the clothes, preventing ...
In the scientific community, there was a debate about how objects cooled and in 1461 Marliani confirmed that he had experimentally observed hot water freezing faster than cold water. In his experiment he stated that he had used four ounces of unheated water and four ounces of boiled water, which he placed in similar containers outside on a cold ...
Cold-sensitive thermoreceptors give rise to the sensations of cooling, cold and freshness. In the cornea cold receptors are thought to respond with an increase in firing rate to cooling produced by evaporation of lacrimal fluid 'tears' and thereby to elicit a blink reflex [citation needed]. Other thermoreceptors will react to opposite triggers ...
A new Peacock documentary will dive deep into the lore behind Girls Gone Wild, and PEOPLE has an exclusive look at the trailer.. Girls Gone Wild: The Untold Story offers a behind-the-scenes look ...
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.