ATHENA was an antimatter research project that took place at the AD Ring at CERN. In 2005 ATHENA was disbanded and many of the former members became the ALPHA Collaboration. In August 2002, it was the first experiment to produce 50,000 low-energy antihydrogen atoms, as reported in the journal Nature. The experiment For antihydrogen to be created, antiprotons and positrons must first be prepared. Once the antihydrogen is created, a high-resolution detector is needed to confirm that the antihydro… (More on Athene)