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Physics Facts

The Weakest Force

Did you know that gravity is the weakest force in the universe? Well, it's true! There are four fundamental forces (that we know of) in our universe: Strong Nuclear, Electromagnetic, Weak Nuclear ... Continue reading

Gravity Is the Weakest!

Coming In Strong On Your AM Dial

The AM radio dial would be nothing but chaos and noise without a very basic rule - turn down the power at night. The Federal Communications Commission (FCC) controls and regulates the airwaves in the ... Continue reading

AM Wave Deflection

Does Earth Have Its Own Neon Sign?

You might wonder what the Northern Lights and neon signs have in common. Actually, a lot! What makes luminous colors shimmer across the Northern sky? The answer is in the Sun. Charged particles ... Continue reading

Northern Lights

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