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By David Herres Ordinary crystalline silicon semiconductors work according to the same physical principles as the old-world galena (PbS, lead sulfide) cat’s whisker radio-frequency detectors in early crystal sets. The...
The world’s largest battery-electric vehicle says Chinese manufacturer BYD (Build Your Dream) is a 60-foot articulated bus that can carry 120 passengers over 170 miles on a single electric charge. Hundreds gather at the beginning of BYD’s APTA EXPO presentation for the unveiling of its battery-electric bus. The company also displayed a 40-ft bus that
TraceParts Inc., a leading provider of 3D engineering content, announced yesterday that it has launched a new 3D community that will aim to connect CAD users and suppliers. The community, which will be called 3D Exchange (3DX), will also be a platform on which community members can display their work and solicit feedback. The company […]