Currently Archives Search 2013 2014 2015 Medical isotopes from irradiated thorium From medicalphysicsweb.org, 16 February 2015 Medical physicists in France have generated a series of medical isotopes from the irradiation of thorium-232 (Th-232). More Tracking glaciers with accelerators From Symmetry Magazine, 3 February 2015 Geologists once thought that, until about 18,000 years ago, a mammoth glacier covered the top two-thirds of Ireland. More Accelerator-powered carbon dating More