The vacuum ultraviolet region is the area of the electromagnetic spectrum lying between X-rays and visible light. It is characterized by very short wavelengths between about 100 and 200 nanometers.
A bus being treated with ultraviolet light in Shanghai, China. Although types of UV light are already in use to decontaminate vehicles and indoor spaces, the wavelengths used are dangerous to people.
US labs NIST and DHS conduct thorough tests to show how different wavelengths interact with virus. To disinfect a surface, you can illuminate it with a blast of ultraviolet light. But to specifically ...
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