Abstract: Due to the inherent $\pi $ -phase constraint in phase unwrapping algorithms, the dynamic strain range of phase-sensitive optical time domain reflectometry ($\Phi $ -OTDR) is significantly ...

Though Maria Cosme’s Allegheny Valley students speak more than half a dozen languages from four continents, one tongue unites them: English. Cosme is one of the most recent additions to the district, ...

With food insecurity rising, Kentucky continues to aggressively investigate individuals on fraud allegations, with some legal experts claiming they rely too much on faulty evidence. A single mother ...