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Physics Facts

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

Can You Miss the Earth?

Have you ever wondered why astronauts float in space? Well, it isn't because there is no gravity in space. Astronauts float because they are in constant free fall. If a baseball pitcher throws a ... Continue reading

Astronaut in free fall

When Do We Encounter Ionizing Radiation In Our Daily Lives?

Everyone who lives on this planet is constantly exposed to naturally occurring ionizing radiation (background radiation). This has been true since the dawn of time. The average effective dose ... Continue reading

Your Own Personal Rainbow?

Did you know that no two people ever see the very same rainbow? It's true. Rainbows are formed when light enters a water droplet, reflects once inside the droplet, and is reflected back to our eyes ... Continue reading

Rainbow Ark