http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- A Spanish research team in Barcelona working out of the Catalan Institute of Nanotechnology, has succeeded in building the most sensitive scale ever created. It’s capable, as the team describes in their paper published in Nature Nanotechnology, of weighing a single proton. http://phys.org/news252658559.html Nanotechnology Tue, 03 Apr 2012 08:30:01 EST news252658559