The human eye perceives color using three types of cones, but no natural light can stimulate just the the cones associated with medium-wavelength light in the visible spectrum. A new tool, nicknamed ...

Research on the perception of color differences is helping resolve a century-old understanding of color developed by Erwin Schrödinger. Los Alamos scientist Roxana Bujack led a team that used geometry ...

In a way, yes - but not because the snow itself has color. According to IFL Science, when sunlight penetrates a snowpack, the ...

Auroras occur when solar wind collides with Earth’s magnetic field, creating dazzling lights. Learn why auroras appear in red ...

You may have noticed a blue tint to the snow in your yard. No, it’s not from ice melt or spilled antifreeze. The color has everything to do with how light interacts with snow. In a way, yes - but not ...