So, what you do is measure the change of reflectivity of the material,» Dr. Man explained. (sciencedaily.com)
«It is a very good paper which provides valuable new insights about the physical processes controlling the change in reflectivity of the Greenland ice sheet and specifically its darkening over time,» said Eric Rignot, a senior research scientist at NASA's Jet Propulsion Laboratory who studies ice sheets but was not involved with the new study. (sciencedaily.com)
The veterinarian looks for the increased reflectivity of the retina, and a decrease in the numbers and size of blood vessels supplying the retina. (italiangreyhound.org)