Electromagnetic radiation is the general term for the more familiar ... As mentioned above, hydrogen and hydroxyl emit radio waves at particular frequencies. The diagram below shows the power emitted ...

When our planet and the incoming sunlight align just right, stunning phenomena such as rainbows and halos can occur. More ...

Using cutting-edge theoretical models and data from NASA's Chandra X-ray Observatory, scientists have transformed ...

Buried deep in the ice in the Antarctic are "eyes" that can see elementary particles called neutrinos, and what they've ...

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Central to physics are ideas such as energy, mass, particles and waves. Physics attempts to both answer philosophical questions about the nature of the universe and provide solutions to ...