What is Radiation?

What is Radiation?


Some examples of non-ionizing radiation are the visible light, the radio waves, and the microwaves (Infographic: Adriana Vargas/IAEA)

Non-ionizing radiation is lower energy radiation that is not energetic enough to detach electrons from atoms or molecules, whether in matter or living organisms. However, its energy can make those molecules vibrate and so produce heat. This is, for instance, how microwave ovens work.

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Some examples of non-ionizing radiation are the visible light, the radio waves, and the microwaves (Infographic: Adriana Vargas/IAEA)

Non-ionizing radiation is lower energy radiation that is not energetic enough to detach electrons from atoms or molecules, whether in matter or living organisms. However, its energy can make those molecules vibrate and so produce heat. This is, for instance, how microwave ovens work.

For most people, non-ionizing radiation does not pose a risk to their health. However, workers that are in regular contact with some sources of non-ionizing radiation may need special measures to protect themselves from, for example, the heat produced.

Some other examples of non-ionizing radiation include the radio waves and visible light. The visible light is a type of non-ionizing radiation that the human eye can perceive. And the radio waves are a type of non-ionizing radiation that is invisible to our eyes and other senses, but that can be decoded by traditional radios.

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