PSI researchers together with the company VACUUMSCHMELZE have built a room whose walls dampen any external magnetic influence by a hundred thousand times. The 25 cubic metre chamber is the world's best large magnetically shielded room. An experiment to be installed inside will help to clarify a fundamental question: Why does matter - and thus why do we - exist at all? See more at https://www.psi.ch/en/media/our-research/magnetically-shielded-from-the-rest-of-the-world