What is radiation?

Anyone who has seen movies or watched TV has heard of radiation.  However hollywood and reality seldom are one and the same.  Lets take a closer look at what radiation really is. Nuclear Radiation Nuclear Radiation is emitted by certain isotopes as a means of releasing energy as they seek to reach a stable (non-radioactive) state. An isotope is each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. This makes the element differ in relative atomic mass for each form, but not in chemical properties. So […]