Gravitational waves are ripples in the fabric of space time emitted by enigmatic processes, such as the merger of black holes or neutron stars. These waves might travel a billion light years from a distant galaxy and eventually reach Earth. Until now, scientists could study how matter behaved around massive objects and only infer that black holes existed. Pizzetta’s Pizzeria, at 4107 Oleander Drive, is quickly becoming a new favorite. For $4, I got two large meatballs and some of…