Japanese scientists, usimg the Ikaros spacecraft to study gamma ray bursts, may be putting limits on any possible Theory Of Everything, the ultimate goal of theoretical physics.
Gamma ray bursts are some of the most energetic events in the universe. Physicists think they're the result of a star collapsing into a neutron star, or the collision of two neutron stars. The energy produced is enough to propel photons to nearly the speed of light, and studying those photons can give physicists data about the realm of high energy physics that can be used to test some aspects of cosmological models. It's early days in the research, but so far the Standard Model seems to be holding up. Physicists ultimately want to combine the general theory of relativity and quantum mechanics into one coherent theory.
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