Confusion and/or difficulty speaking clearly or coherently (not making any sense). 1  Fainting â Syncope. 2  Fainting from a heart rhythm disorder is more likely to happen suddenly and without warning than Fainting from other causes, such as dehydration or low blood sugar.
Radio waves, gamma-rays, visible light, and all the other parts of the electromagnetic spectrum are electromagnetic radiation. Electromagnetic radiation can be described in terms of a stream of mass-less particles, called photons, each traveling in a wave-like pattern at the speed of light.
Managing Radiation Emergencies. Radiation is energy that comes from a source and travels through some material or through space. Light, heat and sound are types of radiation. The kind of radiation discussed in this presentation is called ionizing radiation because it can produce charged particles (ions) in matter.