Structural analysis of traditional Chinese complex puzzle locks

Abstract The development of barbed-spring Measuring Cup Sets locks in ancient China has a history of more than 2000 years.With the development of the design and manufacturing techniques in ancient China, the safety of locks has gotten better and better.Since the seventeenth century, the puzzle lock, with a complicated structure and a high difficult

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Task dependency of grip stiffness--a study of human grip force and grip stiffness dependency during two different tasks with same grip forces.

It is widely known that the pinch-grip forces of the human hand are linearly related to the weight Hardware of the grasped object.Less is known about the relationship between grip force and grip stiffness.We set out to determine variations to these dependencies in different tasks with and without visual feedback.In two different settings, subjects

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Click Fraud in Digital Advertising: A Comprehensive Survey

Recent research has revealed an RE30 alarming prevalence of click fraud in online advertising systems.In this article, we present a comprehensive study on the usage and impact of bots in performing click fraud in the realm of digital advertising.Specifically, we first provide an in-depth investigation of different known categories of Web-bots along

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