Radioactivity: Expect the unexpected - Steve Weatherall
926,988 Views
55,193 Questions Answered
TEDEd Animation
Let’s Begin…
Neutrons don’t change into protons. Except, sometimes, they do. Radioactivity is the process under which the nucleus can change spontaneously from one element to another. Steve Weatherell suggests that we acknowledge both the usefulness and danger inherent in harvesting radioactivity.
Beta radiation passes through paper but is blocked by thick metal. How could you use it to measure the thickness of thin metal foil?
Sign in to answer questionAbout TED-Ed Animations
TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »
Meet The Creators
- Animator Eugene Uymatiao
- Educator Steve Weatherell
- Narrator Steve Weatherell
