UV-Radiation

PRODUCT OF
 
Ultraviolet (UV) radiation, also known as ultraviolet light, is known to most of us only in relation with sunbathing at the beach. What, though, is this UV radiation which gives our skin a healthy tan through the creation of melanin or, as a worst case scenario,
causes sunburn?
Already in the Ancient World it was known that drinking water could be sterilised and processed with the help of sunlight. In a Sanskrit text that was written about 200 years before Christ the following was described: ?One would do well to store water in copper containers that are in direct contact with sunlight and filtered by carbon?. Herein sunlight is described as being a natural source for ultraviolet radiation. However, ultraviolet radiation was only first discovered in 1802 by Johann Wilhelm Ritter.
Ultraviolet radiation is electromagnetic radiation ........
 

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