Blacklight
Blacklight
Blacklight (pronounced: /ˈblækˌlaɪt/), also known as Ultraviolet light or UV light, is a type of light that is not visible to the human eye. It is in the ultraviolet range of light, and blacklight lamps are often used in medical and scientific fields for various applications.
Etymology
The term "blacklight" comes from the fact that it is a type of light that is not visible to the human eye, hence it appears "black" or invisible. The term "ultraviolet" refers to the fact that this type of light is beyond ("ultra") the violet end of the visible light spectrum.
Medical Applications
In the medical field, blacklight is often used in the diagnosis of certain conditions. For example, it can be used to detect ringworm infections in the skin, as these will glow under blacklight. It is also used in the treatment of jaundice in newborn babies, as the UV light can help to break down the excess bilirubin in the baby's blood.
Related Terms
- Ultraviolet: This is the type of light that blacklight falls under. Ultraviolet light is not visible to the human eye, but can be detected by certain types of equipment.
- Ringworm: This is a type of fungal infection that can be detected using blacklight. The fungus will glow under the UV light, making it easier to diagnose.
- Jaundice: This is a condition often seen in newborn babies, where the skin and eyes appear yellow due to a buildup of bilirubin in the blood. Blacklight can be used in the treatment of this condition.
External links
- Medical encyclopedia article on Blacklight
- Wikipedia's article - Blacklight
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