Energy is one of those confusing physics terms that has both familiar and technical meanings. In this video, Fermilab’s Dr. Don Lincoln sheds some light on what physicists mean when they say the word, as well as some truths about energy that would shock his high school physics teacher.

Non-conservation of energy in general relativity
https://math.ucr.edu/home/baez/physic...

Origins of mass video
   • The Origins of Mass  

Emmy Noether video
   • The most significant genius: Emmy Noe...  

Fermilab physics 101:
https://www.fnal.gov/pub/science/part...

Fermilab home page:
https://fnal.gov