Radiation Basics - US EPA
2024年10月1日 · Radiation can come from unstable atoms or it can be produced by machines. There are two kinds of radiation; ionizing and non-ionizing radiation. Learn about alpha, beta, gamma and x-ray radiation.
Radiation Basics | NRC.gov
2020年3月20日 · Radiation is energy given off by matter in the form of rays or high-speed particles. All matter is composed of atoms. Atoms are made up of various parts; the nucleus contains minute particles called protons and neutrons, and the atom's outer shell contains other particles called electrons.
Radiation Basics Made Simple | Radiation Emergencies | CDC
2024年10月10日 · Radiation Basics Made Simple features an enhanced lecture-style video and interactive knowledge checks to deliver and reinforce key concepts. The training is divided into eight segments: This segment introduces common sources of ionizing radiation and explains what makes radioactive atoms different from regular atoms.
Radiation Basics - Health Physics Society
Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials. Light, radio, and microwaves are types of radiation that are called nonionizing. The kind of radiation discussed in this document is called ionizing radiation because it can produce charged particles (ions) in matter.
Radiation and Your Health | CDC - Centers for Disease Control …
Radiation is energy that comes from a source and travels through space at the speed of light. Information about natural and manmade radiation sources in daily life. Learn about strategies that can help you stay safe from radiation. Learn about ionizing radiation and its medical applications such as diagnostic testing.
What is Radiation? | IAEA - International Atomic Energy Agency
2023年1月25日 · Radiation is energy that moves from one place to another in a form that can be described as waves or particles. We are exposed to radiation in our everyday life. Some of the most familiar sources of radiation include the sun, microwave ovens in our kitchens and the radios we listen to in our cars.
Radiation | Definition, Types, Effects, & Facts | Britannica
2024年11月4日 · Radiation, flow of atomic and subatomic particles and of waves, such as those that characterize heat rays, light rays, and X rays. All matter is constantly bombarded with radiation of both types from cosmic and terrestrial sources. This article delineates the properties and behaviour of radiation
Understanding the Basics About Radiation - Radiation …
REMM discusses effective dose to provide some context for interpretation of possible risks from radiation in a radiation mass casualty emergency. Key EPA information about radiation doses in the US
Radiation basics for effective medical diagnosis and treatment
2019年3月25日 · Radiation is everywhere; living on this planet means being exposed to natural radiation. Artificial radiation has been used successfully in the last centuries for medical diagnosis and treatment of pathologies like cancer. The IAEA provides support to Member States to achieve safe and effective patient diagnosis and treatment using radiation.
Basics of Radiation - ORISE
Learn about the basics of ionizing radiation, including alpha, beta, and gamma exposure. What is radiation? Radiation is energy that comes from a source and travels through some material or through space. Light and heat are types of radiation.