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Virtual reality and haptics are novel human-machine interaction technologies which have shown a good application potential in many fields such as medical, entertainment, manufacturing, and education areas in the last 20 years. Especially for dental surgery simulation and training, they provide a new and low-cost approach whereby dentists can practice(More)
This work reports on a novel use of Information and Communication Technologies for composing an electronic book on the measurement field. The e-book " Laboratórios de Instrumentação para Medição/Laboratories of Instrumentation for Measurement " is written in Portuguese and in English. Dealing with concepts, methods, procedures and hands-on activity it(More)
Seismic data is difficult to analyze and classical mathematical tools reveal strong limitations in exposing hidden relationships between earthquakes. In this paper, we study earthquake phenomena in the perspective of complex systems. Global seismic data, covering the period from 1962 up to 2011 is analyzed. The events, characterized by their magnitude,(More)
© 2011 Lopes and Solteiro Pires; licensee InTech. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract One important issue in a(More)