Home › Forums › setting the stage › solids as quantum systems › what is the solid This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by FANYANG. Viewing 1 post (of 1 total) Author Posts October 26, 2023 at 10:54 am #9691 FANYANGParticipant It is the existing form of matter, like liquid and gas. 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