2min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

AMA | April 2022

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

Useful Accounting Trick, Fundamentally Important, or Both?

In particle physics, the energy seems to be most important about any system. In quanta mechanics, let's put it this way, in classical mechanics, you never mentioned the word energy. The idea of cinetic energy was not one that was in newton's tool box. So hamiltonian mechanics starts with an equation for energy as a function of position and momentum.

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