Continuing the visit to CERN. This second and last part is about the permanent exhibition of Microcosm and the guided tour.
I was in Geneva, Switzerland, and I visited the European Organization for Nuclear Research (CERN). This site shows permanent exhibition for visitors.
Some solids lose all resistance to electrical current in certain conditions. This is the superconductivity phenomenon and today’s subject.
A superconductor based in hydrogen can theoretically work at 200ºC, but needs a very high pressure.