The nuclei of the atoms in some elements are unstable and emit radiation. The radiation can be of three types - alpha radiation, beta radiation and gamma radiation.
Potassium 40, the main source of radioactivity in our bodies, has a half-life of 1.42 billion years. Types of Radiation The term "radiation" is very broad, and includes such things as light and radio ...
All types of radiation become less intense as they travel further away from the radioactive material. This is because the particles or rays become more spread out. The thicker the substance ...
Radiotherapy is one of the main types of cancer treatment. It uses ionizing radiation to destroy cancer cells and limit cell growth. It is applied by a team of qualified experts with the appropriate ...