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What is infrared used for?

Updated: 11/6/2022
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12y ago

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Infrared light is a type of electromagnetic radiation. Its wavelength is longer than that of visible light, making it invisible to the naked eye unless special equipment and filters are used.

Infrared Cameras

Thermography is a technology that allows cameras and other equipment to pick up infrared light emitted by an object in the form of heat. It is especially useful in determining the temperature of images and can be used to locate marijuana inside a house, as high temperatures are required for its growth.

Military Use

Infrared light is used extensively in the military. Night-vision cameras and goggles are useful for soldiers, and infrared light can be used for surveillance and tracking of objects.

Meteorology

Weather patterns can be tracked with the use of infrared light sensors that detect changes in the temperature of water and cloud formations.

Heat

Infrared lights are frequently used in restaurants to keep food warm. Infrared light is warmer than visible light and keeps food hot for longer periods of time, especially when in close range.

Considerations

Eye protection is needed in industries that use infrared light extensively, as the light can cause temporary or permanent vision damage.

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Infrared is used for communication between devices, such as mobile phones transferring a song or television remotes. However, blue-tooth is far more popular nowadays.

Infrared telescopes have also help scientists explore parts of our universe in more depth and detail due to the restrictions on visible light.

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