NEW ORLEANS — A high school math contest has turned into a history-making event thanks to a pair of young girls. These two teenage math stars have developed five new proofs of the Pythagorean theorem, ...

Abstract: We proposed a compact torsion sensor with high sensitivity using angle-offset long period grating (AO-LPG) inscribed in multicore fiber (MCF). AO-LPGs can be conveniently fabricated on the ...