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What Is Ultraviolet Light? | Live Science
Substances like minerals, plants, fungi, microbes, and organic and inorganic chemicals, can absorb UV radiation, causing electrons to jump to a higher energy level. When the electrons return to a lower energy level, they emit a portion of the absorbed energy as visible light.
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Misophonia is characterized by strong negative emotions such as anger and anxiety in response to everyday sounds other people make. These sounds include humming, chewing, t...
Scientists do not fully understand misophonia but suspect it's caused by the way some people's brains process particular sounds and react to them.
Some studies found that the brains of people with misophonia showed hyperactivation of the salience network, a group of brain areas that direct our attention to important things in our surroundings. Trigger sounds send the salience network into an overdrive. Researchers found these brain areas are structurally more robust in people with misophonia.
There's a lot of similarity between people who experience misophonia, but also a lot of diversity.
Therapists use a variety of techniques that is often based on the symptoms. Those who experience fear and anxiety may respond to exposure-based treatments. Those who experience anger can learn to manage their distress through distraction or relaxation techniques.
Refrigeration is the action of creating cooling conditions by removing heat. It is used for preserving food by slowing bacteria growth.
Refrigerators today work by evaporating liquids.
The liquids are pushed through the refrigerator through tubes and begin to vaporize. As the liquids evaporate, they carry heat away with them as the gases travel to a coil outside the refrigerator. Here the heat is released. The gases return to a compressor, where they become liquid again, restarting the cycle.