Home › Forums › setting the stage › solids as quantum systems › Solid This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by Link. Viewing 1 post (of 1 total) Author Posts September 27, 2023 at 5:42 pm #9086 LinkParticipant A solid is a type of matter in which the protons and electrons cannot easily slide past each other, i.e.: they keep their shape instead of fitting their surroundings. 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