As I know the concept of energy was universally accepted lately in the 19th century and after debates and controversies.

Does anybody knows the reason for this?

  • $\begingroup$ Are you talking about Hamiltonian KE +PE, or about quantifying kinetic energy, or temperature * volume, or what exactly? $\endgroup$ – Carl Witthoft Jun 21 '18 at 13:07
  • $\begingroup$ @CarlWitthoft In general, the notion of energy was very slow to be accepted $\endgroup$ – veronika Jun 21 '18 at 13:20
  • $\begingroup$ Similarly, the abstract notion of "temperature" is recent ... hsm.stackexchange.com/q/7451/229 $\endgroup$ – Gerald Edgar Jun 22 '18 at 17:38

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