On Wednesday, June 3, 2020 at 11:03:17 PM UTC-6, Alan Grayson wrote: > > > > On Thursday, May 28, 2020 at 2:45:42 PM UTC-6, Lawrence Crowell wrote: >> >> These are questions that can be looked up in something such as Wikipedia. >> >> LC >> > > Here, presumably, is the derivation of Planck's black-body radiation > formula. https://en.wikipedia.org/wiki/Planck%27s_law#Derivation . Near > the beginning is a reference to, and dependence on quantum theory. But in > 1900, quantum theory didn't exist. AG >
I think we have to assume that Planck started his proof of the black-body radiation formula with an assumption that now is a result of quantum theory. AG > >> >> On Wednesday, May 27, 2020 at 4:16:47 AM UTC-5, Alan Grayson wrote: >>> >>> When one solves ME's, one gets continuous wave solutions. But somehow >>> they give the wrong prediction for BB radiation. The correct solution >>> requires quantizing the energy packets into discrete packets of energy. But >>> prior to the advent of QED, in 1900, how did Planck incorporate this >>> discreteness into a continuous theory to yield the correction solution of >>> the BB problem? TIA, AG >>> >> -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/77729116-73ef-4064-9a38-a1865d913b69%40googlegroups.com.

