From the June 2011 issue

When black is white

August 2011: What we witness is an eternal dance of illumination and reflectivity.
By | Published: June 27, 2011 | Last updated on May 18, 2023

What’s the visual difference between your favorite white shirt and the leaky pen’s black ink that ruined it? Or snow and tar? One’s white while the other’s black. Objects on Earth or in the heavens that reflect all colors equally are automatically black, white, or gray.