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Quarks Influenced by Their Neighborhood
November 20, 2009
The quark structure inside protons and neutrons changes based on the local nuclear environment, according to electron accelerator experiments.
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Hermann Nicolai
Hermann Nicolai is a director at the Max-Planck-Institut für Gravitationsphysik (Albert Einstein Institut) in Potsdam, Germany. His research focus is the search for a consistent theory of quantum gravity and the unification of the fundamental interactions within the framework of supergravity, superstring theory, and beyond.
Vanquishing infinity
Quantum field theoretic extensions of Einstein’s theory of gravity tend to suffer from incurable infinities, but a theory called N=8 supergravity may actually avoid them—against expectations held for almost 30 years. Read More »