Go to http://ow.ly/OaJR30rnpWP to check out The Great Courses Plus and start your free trial! You can support me on Patreon: https://www.patreon.com/Sabine Is radiation dangerous? Is ionizing air a good idea? Why do some people swallow radioactive iodine? Is it right that some scientists claim small doses of radioactivity are beneficial? And what is radiation to begin with? That's what you will learn in this video. References for Radiation Safety Standards: ICNIRP: https://www.icnirp.org/en/publications/index.html IEEE: https://ieeexplore.ieee.org/document/7909498 EPA: https://www.epa.gov/radiation/federal-guidance-radiation-protection EU EMF: https://www.emfs.info/policy/europe-policy/ You can join the chat on this video today (Saturday Dec 26) at 6pm CET/noon Eastern Time here: https://talk.conversful.com/c?id=-MPALqG0WtqX-obeOZIv #physics #science #education 0:00 Intro 0:38 What is radiation? 2:39 The radiation checklist 2:52 What is radiation made of? 5:57 What's the energy? 9:36 How many particles are there? 10:25 What does radiation do to the body? 13:59 Sponsor Message