Re: Maxwell's Equations and Black Body radiation

2020-05-28 Thread Alan Grayson
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 > Wiki has a good article on this. Oddly, when I took E&M courses, undergraduate and graduate, I don't recall this issue ever being discus

Re: Maxwell's Equations and Black Body radiation

2020-05-28 Thread Lawrence Crowell
These are questions that can be looked up in something such as Wikipedia. LC 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 requ

Max Tegmark: AI discovers physics

2020-05-28 Thread Philip Thrift
https://www.facebook.com/461616050561921/posts/3107668729289960/ We just posted a new AI paper on how to automatically discover laws of physics from raw video with machine learning. For example, we feed in the video below of a rocket moving in a circles in a magnetic field, seen through a di

Re: Maxwell's Equations and Black Body radiation

2020-05-28 Thread Alan Grayson
On Wednesday, May 27, 2020 at 3:16:47 AM UTC-6, 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 pri

Julia plane geometry

2020-05-28 Thread Philip Thrift
"in the future, kids won't need to learn to do (at least) plane geometry with pencil and paper any more. Their homework will be writing codes so their computer [image: Robot face] will do the mathematics for them." https://newptcai.github.io/PlaneGeometry.jl/ based on https://newptcai.git

Some Python physics

2020-05-28 Thread Philip Thrift
https://www.philipzucker.com/a-smattering-of-physics-in-sympy/ cf. Automatic translation of LaTeX-encoded math into SymPy/Python code. https://docs.sympy.org/latest/modules/parsing.html : Experimental LaTeX Parsing LaTeX parsing was ported from latex2sympy ( https://github.com/augustt