Energía del viento (Wind Power)

Life Long Ago brings ancient civilizations to life and reinforces important early elementary social studies standards such as time, continuity, and change. Students will learn what daily life was like, how ancient peoples governed themselves, how they communicated, and how the influences of ancient cultures are still felt today.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

En reconstrucción existe una preocupación por el ser humano, su estancia en el mundo y su forma de comprender y relacionarse con los demás seres tanto humanos como no humanos, es decir, con el otro y con lo otro. Cuerpo, Casa, Mundo, las tres partes que componen el libro, son metáforas de los espacios que habita el ser humano y que se cruzan y entrecruzan construyendo un universo que es necesario interrogar y comprender desde múltiples opciones y perspectivas, pero que, casi irremediablemente, cambia cada vez que se observa e intenta predicarse algo sobre él.

“La utopía reptante y otros relatos recopila una generosa muestra de la narrativa de José Siles González, que ha incluido en este volumen antiguas historias y otras de nueva planta. A lo largo de los dieciséis cuentos, que abarcan desde el neolítico hasta un futuro tan indeterminado como virtual, el autor ofrece un muestrario de personajes estrafalarios y entrañables, irremediablemente perdidos en un mundo que se está convirtiendo en la caricatura de sí mismo.” Joaquín Juan Penalva, Escritor y crítico literario “Deudor de nadie, si acaso de Tom Sharpe, y fiel a las señas de...

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.