In support of all the students who are displaced from school due to the Corona virus. Access to physics zone and chemistry zone lessons are now available free of charge. This will be maintained at least through August 1st 2020. Learn and be well.
Quarks that dance in and out of existence within the protons and neutrons that make up an atom. This video does a good job of explaining the basic concepts. It is kind of fast, so please rewind it and play it again.
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