What is thermal display?

Thermal imaging, also called thermography or thermal video, is a means that people can see in the infrared part of the spectrum. Since each object releases a certain amount of heat radiation, thermal display is ideal for observing the scene in the conditions of extreme darkness or covered with smoke, fog, rain or snow. Some types of night vision use thermal imaging and thermal display is considered to be the best form of night vision, as it can detect objects in the darkest nights. Thermal imaging is widely used in the area of ​​safety, military, navigation, supervision, firefighting, industry, medicine and science. Thermal cameras pick up electromagnetic waves with a wavelength between about 0.9 and 14 micrometers. In contrast, electromagnetic waves in the visible part of the spectrum have a wavelength between about 380 to 750 nanometers, significantly shorter than infrared. Although people are not biologically able to see infrared light without help, some animals may, especiallyAssessment and other drinks of viper that have a well -developed couple of organs. Using these organs, rattlesmakers can strike exactly on the object, with supervision and scent cut off, only 0.2 degrees C higher temperatures than its background.

To make people easier to interpret thermal imaging, thermal cameras often use fake color in their displays, from white for the hottest areas to purple and black for the coldest. The warmer the object, the more thermal waves radiate. Some of the hottest known objects are stars and astronomers can derive a huge amount of information about a star with a small other than the electromagnetic energy emitting and its weight. Scientists also use thermal imaging to study how animals emit heat. For example, polar bears are virtually invisible in infrared photography, except for their nose because their bodies have adapted toAnd to maintain heat in extreme cold.