Polarization: From better sunglasses to a better way of looking at asteroid surfaces

Using the same principles that make polarized sunglasses possible, a team of researchers at the Arecibo Observatory in Puerto Rico have developed a technique that will help better defend against asteroids on a collision course with Earth. A new study in The Planetary Science Journal found a better way to interpret radar signals bounced off asteroids' surfaces.

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/03/210311152812.htm