Perkins
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Observed 9/2/2026
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Philadelphia directory source
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Observed 9/2/2026
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Observed 9/3/2026
The recently-discovered MgB2 super-conductor has a transition temperature Tc approaching 40K, placing it intermediate between the families of low and
In this paper we consider the possibility that a vector particle with mass might exist in only one helicity state,
The lower limit to string coupling unification in weakly coupled heterotic strings was shown by Kaplunovsky to be around Lambda_H
De Broglie's original idea that a photon is composed of a neutrino-antineutrino pair bound by some interaction was severely modified