Home › Forums › setting the stage › so what’s the problem? › the problem This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by Luka De Bolle. Viewing 1 post (of 1 total) Author Posts September 27, 2022 at 3:44 pm #6593 Luka De BolleParticipant Not yet everyone is using plain quantum physics to talk about solids because it’s too difficult at this moment. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In