La Evolución de la Máquina Voladora

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

La historia de Cuba se circunscribe erróneamente para muchos al proceso revolucionario que la mantiene secuestrada desde 1959. La construcción del socialismo y el antinorteamericanismo militante han sido las coartadas para justificar dicho secuestro; para consagrar a un individuo carismático y paranoide como líder de la revolución mundial, para camuflar ?errores? que no lo son y exhibir logros inexistentes. La violencia y la intimidación han sido los instrumentos para inducir la desesperanza, fomentar el sometimiento, estimular la simulación como estrategia de supervivencia, y para...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

Desde hace dos siglos estamos viviendo una fase extraordinariamente singular de esta historia, tan fundamental para comprender las evoluciones pasadas y para formular hipotesis sobre el futuro que es objeto de una verdadera teoria: la transicion demografica. Aunque la necesidad de medir obligue a simplificar la realidad, no debemos olvidar la complejidad. No hay una poblacion, sino poblaciones, cada una con su propia dinamica demografica. El universo de La demografia tiene multiples dimensiones y hay que tener en cuenta las diferencias, constatarlas y buscar las causas. Si las cosas cambian y ...