The possibilities being discussed for dark energy range from quantum vacuum energy to the influence of the unseen extra dimensions predicted by string theory. (discovermagazine.com)
The state - of - the - art detector has sharper vision, a wider field of view, and covers a broader energy range than any similar instrument previously flown. (sciencedaily.com)
Scientists can measure the energy of cosmic rays, and had noted an excess of such rays in a specific energy range. (public.nrao.edu)