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 ...

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 ...

At the centre of all atoms, lies the nucleus. The nuclei of most atoms are stable. That means they do not decay over time. The nucleus of an unstable atom is considered radioactive since it changes ...

The scientific issues related to radiation and associated health effects are complex and may be confusing for persons not professionally involved with them. The topics are even more complicated in the ...