Max Planck’s Quantum Theory

In December of 1900, a conservative German scientist named Max Planck wrote a paper that included, according to the Nobel Prize winning Physicist Max Born, “the most revolutionary idea which ever has shaken physics.[i]”  For in this paper Planck assumed that light came in little energy packets.  Why did he do this and why was it so revolutionary?  Good questions!  Let’s ask Planck.  No, not with a Ouija board silly.  Why don’t we just read his autobiography and his other papers and see what Plan...