Another link. https://inspirehep.net/files/3e7c3bd810a4730714d3b2394fed57e1 https://inspirehep.net/files/3e7c3bd810a4730714d3b2394fed57e... A proposed collide

Another link. https://inspirehep.net/files/3e7c3bd810a4730714d3b2394fed57e1 https://inspirehep.net/files/3e7c3bd810a4730714d3b2394fed57e... A proposed collider would float below the surface to avoid problems with marine commerce. The cost the estimated around $30 billion dollars. It is not clear what the recurring operating cost would be.