A crack in one of two welded 24-in. x 32-in. continuous beams, each 900 ft in length, that form one of the bridge’s two tied-arch-truss navigation spans was discovered May 11 during a scheduled annual ...
(Nanowerk News) A team of physicists from the University of Konstanz and Ludwig-Maximilians-Universität München in Germany have achieved attosecond time resolution in a transmission electron ...
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