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Physics Facts

Somewhere Over Which Rainbow?

How many rainbows are there really when we only see one during a rainstorm? The answer isn't as simple as you might think! Rainbows are formed when light enters a water droplet, reflects once inside ... Continue reading

Double rainbow, note the color reversal in the faint, secondary rainbow.

The Early Universe Soup

In the first few millionths of the second after the Big Bang, the universe looked very different than today. In fact the universe existed as a different form of matter altogether: the quark-gluon ... Continue reading

Collision of two gold nuclei at the RHIC accelerator. An attempt to produce quark-gluon plasma in the laboratory.

Can Wint-O-Green Lifesavers® Light up Your Life?

Next time you're bored, grab a pack of Wint-O-Green Lifesavers® and lock yourself in the bathroom. Shut the blinds and make sure the room is pitch black. Allow your eyes to adjust and open the pack ... Continue reading

Candy that glows?

Quick Change Artist

The word transformation means one thing changing into another, like Dr. Jekyl changing into Mr. Hyde. In mathematics, sets of numbers often go through transformations. For example, the numbers ... Continue reading