From CERN http://status.hackerposse.com/url/17642 on Twitter: Today’s #PhotoOfTheWeek features the neutron time-of-flight facility at #CERN, also known as n_TOF. Here we see the n_TOF Total Absorption Calorimeter, a detector for neutron capture gamma-rays, composed of 40 barium fluoride crystals. Learn more: http://status.hackerposse.com/url/24386 http://status.hackerpo…