C3 Beam Tunnel (IMAGE) DOE/SLAC National Accelerator Laboratory Caption A section of the proposed Cool Cooper Collider beam tunnel. Credit Emilio Nanni/SLAC National Accelerator Laboratory Usage Restrictions Please use credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.