Radiation

**__Radiation:__**

 * **Radiation is [|energetic] waves which travels through a space.Radiation exist in the whole universe, except the "Black Hole". **


 * **In our reality, the main source of radiation is the sun, the star which gave us life. Without radiation, processes like Photosynthesis won't be able to happen, and the whole Food Pyramid will colapse and most of the live creatures on Earth will extinct**
 * **Radiation can cause Cancer, by creating mutations in our body. Radiation also helps people to "win" Cancer, by Chemotherapy.**