Electro-Magnetic Radiation Introduction All objects in our universe give off light, or electro-magnetic radiation. The particle of light is called the Photon. It is characteristics of both a wave and a particle. Photons are characterized by their energy and their wavelength, or their frequency...

X-rays are used in many ways. The most common is to take X-rays of people. Dentists used it to check for weakenings in the teeth, and doctors use it to look at broken bones. Although X-rays are very helpful they can be harmful too. If you're over exposed to them they can deteriorate yo...

Electromagnetic Radiation Electromagnetic radiation is defined as "the emission and transmission of energy in the form of electromagnetic waves" (Chang, pp. 246). An electromagnetic wave consists of two waves at perpendicular planes, on representing the electrical field while the ot...