Ultraviolet Waves
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Ultraviolet waves are a type of light wave that are emitted from the sun and stars that are outside of earths atmosphere.
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The wave is created by electric arcs from specialized lamps that man have made or from the sun. Uv waves make up 10% of the output from the sun's waves.
Photo by jenny downing
We use ultraviolet waves in our lives most of the times without us knowing it. The most common use is to go to a tanning booth, another use is mercury vapor lighting found in schools and stadiums, and it is also used in some types of lasers.
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There are also medical reasons to use uv waves. You can go through uv therapy to help with some diseases like Rickets, Psoriasis, eczema, vitiligo, and lupus.
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While there are things about uv waves that are good. There is always a catch, like most of us have experienced in the past, we can get sunburn from prolonged exposure to these waves. Other forms can give people skin cancer and blisters, all very painful and unpleasant.
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Ultraviolet waves are very similar to visible light waves because they are next to each other on the scale. Visible light waves are used for lighting our houses and sometimes we use ultraviolet waves to light our sport stadiums and schools.
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Scientists have found out that the scale for ultraviolet waves scales from 10 to 400 nanometers. But some scientists would argue that the scale can go down to 4 nanometers. 400 nanometers is the same as the diameter of the lead in a wooden pencil.
Photo by { pranav }
Ultraviolet light was discovered in 1801 when Johann Ritter started experimented on light waves to find out if there are light waves that are not visible. He used photographic paper and a violet light, he predicted that the paper would turn dark in a short amount of time if exposed to non visible light waves, and sure enough it did darken the papaer.
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Ultraviolet waves are used every day. We are exposed to it when we are under the sun. And we use special lights to brighten our sports stadiums.
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Our question is, are there other alternatives to uv light? From our research, we have come to the conclusion that there are no other forms of light waves that provide the same pros without greater cons, so no, there is no other alternative.
Photo by Juan Antonio Capó
