Home › Forums › setting the stage › solids as quantum systems › Solid This topic has 0 replies, 1 voice, and was last updated 2 weeks, 1 day ago by ellen. Viewing 1 post (of 1 total) Author Posts September 27, 2025 at 11:40 am #13144 ellenParticipant A solid is a state of matter in which it has structure, holds its shape and is able to resist external forces trying to change its shape. 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