2min chapter

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Things You Thought You Knew – What is Energy?

StarTalk Radio

CHAPTER

The Triumph of Physics

A locomotive burns either coal or wood, and it heats a vat of water. It's got the stored chemical energy of the wood into the active thermal energy of the vibrating water molecules. All of this comes together and our ability to exploit that in the service of civilization is one of the great triumphs of physics," he says.

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