but that’s only half of what is really a circle of color. Normally, when you look at a rainbow, the Earth’s horizon in front of you hides the bottom half of the circle. But if you are standing ...

"It was awesome because I have never seen a rainbow literally up above." Per The Weather Channel, the ethereal, multi-colored ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...