GENEVA, SWITZERLAND - APRIL 19:  A detailed view of the blackboard with theoretical physics equations in chalk by Alberto Ramos, Theoretical Physics Fellow and visitor, Antonio Gonzalez-Arroyo from the Universidad Autonoma de Madrid (both not in frame) at The European Organization for Nuclear Research commonly know as CERN on April 19, 2016 in Geneva, Switzerland.  (Photo by Dean Mouhtaropoulos/Getty Images)