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Temperature vs time plots, showing the Mpemba Effect. The Mpemba effect is 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. There is disagreement about its theoretical basis and the parameters required to produce the effect.
In chemical pickling, the food is placed in an edible liquid that inhibits or kills bacteria and other microorganisms. Typical pickling agents include brine (high in salt), vinegar, alcohol, and vegetable oil. Many chemical pickling processes also involve heating or boiling so that the food being preserved becomes saturated with the pickling agent.
Rice lovers of the world, we have some terrible news for you. A study conducted by scientists from Queen's University Belfast found that boiling rice can expose those who eat it to unsafe amounts ...
Again, rice oil had been heated by pipes that leaked. On this occasion, the condition there was known as Yu-cheng disease (Chinese: 油症; pinyin: yóuzhèng; Wade–Giles: Yu 2 cheng 4). Similar symptoms and effects of the PCBs and PCDFs were shown, especially in children. [6]
A bowl of white rice with mold growing over it. Fungi have been seen as a method of food spoilage, causing only an undesirable appearance to food, however, there has been significant evidence of various fungi being a cause of death. Fungi are caused by acidifying, fermenting, discoloring and disintegrating processes and can create fuzz, powder ...
When the process is applied to food and the water is evaporated and removed, the food can be stored for long periods without spoiling. It is also used when boiling a substance at normal temperatures would chemically change the consistency of the product, such as egg whites coagulating when attempting to dehydrate the albumen into a powder.
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.
The device appears to be more than splash and water resistant