Humans can only see less than 1% of the electromagnetic spectrum. Here’s why evolution may have intentionally hidden ultraviolet light from us. Our vision is seemingly perfect as is. We can look at a ...

What is UV-Vis Spectroscopy? UV-Vis spectroscopy, short for ultraviolet-visible spectroscopy, is an analytical technique that measures the absorption or reflectance of light by a sample in the ...

The human retina is sensitive to the ultraviolet (UV) spectrum down to about 300 nanometres, but the lens of the eye filters it out. This adaptation perhaps arose to protect the retina from the more ...