» For the type of musical group, see Mariachi.MARIACHI, the Mixed Apparatus for Radar Investigation of Cosmic-rays of High Ionization, is an apparatus for the detection of ultra-high-energy cosmic rays (UHECR) via bi-static radar using VHF transmitters. MARIACHI is also the name of the research project at Brookhaven National Laboratory operating the apparatus. The apparatus is located on Long Island. Its inventors the MARIACHI apparatus hope that it'll detect UHECR over much larger areas than p… (More on Mariachi)