A system for imaging and measuring neutrons, the system comprising: a frame; a first plate having a first plurality of plastic scintillation detectors and a second plate having a second plurality of stilbene scintillation detectors, which plates are parallel to each other and carried by the frame; an electronic and processing unit; the system being configured for imaging and measuring gamma rays; the first plurality of scintillation detectors are distributed over the first plate and configured to detect at least one of a neutron and a gamma ray; the second plurality of scintillation detectors are distributed over the second plate and configured to detect the at least one of a neutron and a gamma ray; characterized in that the system further comprises: a third plate carried by the frame wherein the third plate is parallel to the first plate and the second plate; and a third plurality of scintillation detectors distributed over the third plate, the third plurality of scintillation detectors configured to detect the at least one of a neutron and a gamma ray, the third plurality of scintillation detectors comprising inorganic scintillation detectors; and the electronic and processing unit is electronically connected to the first plurality of scintillation detectors, the second plurality of scintillation detectors, and the third plurality of scintillation detectors, wherein the detectors detect the neutron and the electronic and processing unit are configured to determine a path of the neutron based on an interaction with one of the detectors of the first plate and then an interaction with one of the detectors of the second plate; and wherein the detectors detect the gamma ray and the electronic and processing unit are configured to determine a path of the gamma ray based on interaction with one of the detectors of the second plate and then an interaction with one of the detectors of the third plate. a frame; a first plate having a first plurality of plastic scintillation detectors and a second plate having a second plurality of stilbene scintillation detectors, which plates are parallel to each other and carried by the frame; an electronic and processing unit; the system being configured for imaging and measuring gamma rays; the first plurality of scintillation detectors are distributed over the first plate and configured to detect at least one of a neutron and a gamma ray; the second plurality of scintillation detectors are distributed over the second plate and configured to detect the at least one of a neutron and a gamma ray; characterized in that the system further comprises: a third plate carried by the frame wherein the third plate is parallel to the first plate and the second plate; and a third plurality of scintillation detectors distributed over the third plate, the third plurality of scintillation detectors configured to detect the at least one of a neutron and a gamma ray, the third plurality of scintillation detectors comprising inorganic scintillation detectors; and the electronic and processing unit is electronically connected to the first plurality of scintillation detectors, the second plurality of scintillation detectors, and the third plurality of scintillation detectors, wherein the detectors detect the neutron and the electronic and processing unit are configured to determine a path of the neutron based on an interaction with one of the detectors of the first plate and then an interaction with one of the detectors of the second plate; and wherein the detectors detect the gamma ray and the electronic and processing unit are configured to determine a path of the gamma ray based on interaction with one of the detectors of the second plate and then an interaction with one of the detectors of the third plate. a third plate carried by the frame wherein the third plate is parallel to the first plate and the second plate; and a third plurality of scintillation detectors distributed over the third plate, the third plurality of scintillation detectors configured to detect the at least one of a neutron and a gamma ray, the third plurality of scintillation detectors comprising inorganic scintillation detectors; and the electronic and processing unit is electronically connected to the first plurality of scintillation detectors, the second plurality of scintillation detectors, and the third plurality of scintillation detectors, wherein the detectors detect the neutron and the electronic and processing unit are configured to determine a path of the neutron based on an interaction with one of the detectors of the first plate and then an interaction with one of the detectors of the second plate; and wherein the detectors detect the gamma ray and the electronic and processing unit are configured to determine a path of the gamma ray based on interaction with one of the detectors of the second plate and then an interaction with one of the detectors of the third plate.