The question “are we alone in the universe?” has fascinated people for centuries. In 1959 two Cornell University physicists described how we might answer that question through interstellar ...

Radio waves have wavelengths ranging from thousands of metres down to around 30 cm. This means they can easily travel around large objects, like hills, mountains or buildings. Microwaves have ...

The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different ...

The Food & Drug Administration explains that a microwave works quite similarly to radio waves. When the magnetron inside the microwave ejects a flurry of microwaves, and these waves strike against ...

Terahertz electromagnetic waves occupy a middle ground between electronics waves, like microwave and radio waves, and photonics waves, such as infrared and UV waves. For example, mobile phones use ...