ST. JOSEPH, Mo. (News-Press NOW) — Rainbows are often seen as symbols of luck, and if you spot one, consider yourself lucky. That’s because a few things need to align, both in terms of weather and ...

ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don’t always ...

Before LEDs and lasers came along, video projectors would shine white light through a rotating color wheel to produce full-color images. But researchers at Dartmouth College and Disney Research Zürich ...

When light enters the Bodie Island Lighthouse at the right angle, the 344 prisms of the Fresnel lens “create some truly striking and vibrant rainbows,” the National Park Service reports. National Park ...