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solid materials that contain interconnected pores allowing fluids to pass through.
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the problem of finding the path between two points such that the transit time under specified conditions is minimized.
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if you have the bragging rights.
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a method of isolating divergencies in scattering amplitudes.
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A theory of interacting fields of arbitrary spin. Generalizes Yang-Mills as a theory of spin-one, gravity as a theory of spin-two to fields of any spin.
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matter in a state that has properties between those of conventional liquid and those of solid crystal.
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