White light can be blinding, cold, unforgiving. Our physical reality often finds it too much as well, splitting it apart any chance it gets. Plants are green because such wavelengths of light help it ...

Source: Wikimedia Commons / Frederic Edwin Church / 1866. Fine Arts Museums of San Francisco How many colors are in the rainbow? Seven said Sir Isaac Newton. Of course, Newton knew that a spectrum is ...

A rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet ...

Lise: “That would be telling… its name is made up only of letters that occur in the names of the other six colours of the rainbow.” Marie: “But there is more than one colour that rule works for!” Lise ...

My commentaries in Forbes tend to focus on weather, climate, and broadly related science. I am a scientist and educator not a journalist so my perspectives are often motivated by certain angles that I ...