Radiation is energy that moves from one place to another in a form that can be described as waves or particles. We are exposed to radiation in our everyday life. Some of the most familiar sources of ...

CT scans diagnose afflictions from tumors to kidney stones to life-threatening diseases and injuries, such as aneurysms and blood clots leading to stroke. But the radiation emitted by this essential ...

X-rays and Gamma rays are energy transmitted in a wave without the movement of any material. X-rays and gammas differ in their origin. X-rays are emitted by an electrical device. Gamma rays are ...

Radiation can be defined as energy traveling through space. There are two types of radiation, ionizing and non-ionizing, which are differentiated by how they interact with matter. Non-ionizing ...

The nuclei of certain atoms are stable and under ordinary circumstances, stable nuclei do not undergo change. The nuclei of other atoms are unstable. These nuclei undergo change spontaneously, that is ...

For a human, experiencing a mere five grays (Gy) of ionizing radiation for just a few minutes can be lethal. But the bacterium Deinococcus radiodurans is made of tougher stuff. In liquid culture ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Radiation is energy that moves from one place to another ...