In this video Paul Andersen explains how the strong nuclear force holds the nucleus together in spite of repulsive electrostatic charges acting on the nucleons. Mesons exchanged between nucleons keep the nucleus intact and gluons...

SUMMARY

How is mass and energy the same thing? What is mass really? If you weigh 80kg and are in a car moving 100km/hr, your energy is equal to about 30000 joules. But did you know that the energy you have standing...

A class of subatomic particles that includes neutrons and protons.
<

br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Once you start learning about modern physics, you start to hear about weird particles like quarks and muons and neutrinos. What are all these things? Why are there so many? How do we know they exist? What do they do? Within lies the...