Ríe cuando todos estén tristes

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...

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...

Déjese coger de la mano por el autor. Sin miedo. Se adentrará usted en una Barcelona desconocida, recorrerá rincones secretos, pasajes olvidados, innumerables historias de ayer, y, mientras se desplaza por este paseo literario, irá percibiendo lentamente que, más allá de volver la vista atrás, se asomará a una ciudad mágicamente nueva, una ciudad como nunca la había visto antes. Héctor Oliva nos propone un recorrido americano por Barcelona. Recoge aquellos detalles de la ciudad que guardan relación con América, desde Alaska hasta la Tierra del Fuego. Y en ese periplo urbano,...

Varios equipos de proyecto de la NASA, la ESA y otras organizaciones han investigado la posibilidad de establecer una colonia en órbita. Descubrieron que la Luna y los asteroides cercanos a la Tierra tienen suficientes materiales disponibles, que la energía solar está fácilmentedisponible en grandes cantidades. Las ventajas de este sistema son su proximidad a la Tierra y su menor velocidad de escape, lo que facilita el intercambio de bienes y servicios.