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Machines have always gone hand-in-hand with the cultural development of m- kind throughout time. A book on the history of machines is nothing more than a specific way of bringing light to human events as a whole in order to highlight some significant milestones in the progress of knowledge by a complementary persp- tive into a general historical overview. This book is the result of common efforts and interests by several scholars, teachers, and students on subjects that are connected with the theory of machines and mechanisms. In fact, in this book there is a certain teaching aim in addition...

Machines have always gone hand-in-hand with the cultural development of m- kind throughout time. A book on the history of machines is nothing more than a specific way of bringing light to human events as a whole in order to highlight some significant milestones in the progress of knowledge by a complementary persp- tive into a general historical overview. This book is the result of common efforts and interests by several scholars, teachers, and students on subjects that are connected with the theory of machines and mechanisms. In fact, in this book there is a certain teaching aim in addition...

El objetivo principal de este trabajo es presentar las imagenes de algunas especies de peces representativas de los arrecifes costeros del archipielago cubano. Desde el punto de vista taxonomico, posibilita comparar el patron de coloracion en vida con los peces de otras localidades del Atlantico Occidental Tropical. Ademas se muestran las diferencias en las especies con dimorfismo sexual, asi como entre individuos juveniles y adultos de algunas de estas especies. "

Este trabajo tiene como objetivo localizar un robot movil dentro de un ambiente cerrado del cual no se tiene informacion dimensional alguna, solo se conocen los datos propios a la geometria del robot. Por localizar se entiende encontrar la posicion y orientacion del automata con respecto a algun sistema de coordenadas previamente establecido. Para lograr esto se utilizo un sistema de camaras de video en conjunto con un grupo de balizas, combinadas con un algoritmo de calculo probabilistico basado en funciones de densidad de probabilidad Gaussiana. En funcion de lo anteriormente expresado,...