Train homepage › Forums › fast train › Train This topic has 0 replies, 1 voice, and was last updated 5 years, 1 month ago by Giel. Viewing 1 post (of 1 total) Author Posts April 16, 2018 at 10:25 pm #1303 Score: 0 GielParticipant The emitting nuclei need to move very fast toward the scatterer, to reach these velocities a lot of space might be needed. 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