Abstract: Gas turbine rotor blade cracks are usually caused by high-cycle fatigue. The natural frequency and damping of the blades change as the cracks propagate. Most existing methods detect fatigue ...

Abstract: The ubiquitous presence of surveillance cameras severely compromises the security of private information (e.g. passwords) entered via a conventional keyboard interface in public places. We ...

A Russian-Spanish wine exporter whose family runs a chic tapas bar is under investigation for shipping sanctioned chemicals to Russia, including diethylamine, a chemical involved in the manufacturing ...

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