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"If you think you understand quantum mechanics, you don't understand quantum mechanics." - Richard Feynman. The video describes how our current model of physics predicts glueballs, groups of gluons attached to each other. Gluons have no mass, yet glueballs do because they are energy. Scientists are getting closer to finding them, but since they don't know what they are looking for or what properties glueballs have, the search is difficult.
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CCSS:
Adaptable
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Instructional Ideas
- Review the concept of E=MC^2 and how it relates to the mass of glueballs
- Take a look at how the search for glueballs is going and if any major breakthroughs have been made since the video was published
Classroom Considerations
- Remember to preview any comments that might appear as not all are appropriate
- This video is hosted on YouTube
Pros
- Includes closed captioning in English and Greek
- Provides a long list of sources for those wanting to go more in depth
Cons
- None