What you never learned about mass
Fermilab
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Fermi National Accelerator Laboratory is the premier particle physics lab in the United States. Founded as the National Accelerator Laboratory in 1967, it was renamed after physicist Enrico Fermi in 1974. Since its inception, Fermilab has been a world leader in particle physics, with discoveries including the bottom quark, top quark and tau neutrino, three of the elementary particles that make up our universe. Fermilab is home to approximately 1,700 scientists, engineers, technicians and support staff, and hosts about 2,500 visiting scientists from around the world. The laboratory is managed by the Fermi Forward Discovery Group for the U.S. Department of Energy. More information can be found at www.fnal.gov.
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Video Description
Probably the most familiar subject in physics is mass. Basically, it’s the amount of stuff something is made of. However, if you look at it a little more closely, you’ll find that the situation isn’t necessarily so simple. In this video, Fermilab’s Dr. Don Lincoln spends some time explaining how, conceptually speaking at least, there are two kinds of mass: gravitational and inertial and how the relationship between the two has huge consequences on our understanding of the universe.
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