Showing results by author "Isaac Asimov" in All Categories

Only a few know the terrifying truth - an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun... They know the truth - but who will listen? They have foreseen the cost of abundant energy - but who will believe?These few beings, human and alien, hold the key to the Earth's survival.

En Robots e imperio vemos cómo el futuro del universo corre peligro. Aunque se han debilitado las fuerzas de los siniestros Spacers, el doctor Kelden Amadiro no ha olvidado—ni perdonado—su humillante derrota a manos de Elijah Baley, el adorado héroe de la población terrestre. Amadiro ansía la venganza y está más decidido que nunca a consumar la destrucción del planeta Tierra.

The First Foundation survived two centuries of barbarism as the once-mighty Galactic Empire descended into chaos. Now it must prepare for war against the remnants of the Empire as the Imperial fleet advances on their planet, Terminus. Hari Seldon predicted this war; he even prepared his Foundation for it. But he couldn’t foresee the birth of the mutant Mule. In possession of a power which reduces fearsome opposition to devoted slaves, the Mule poses a terrible threat to Seldon’s Foundation.

Desde hace doce mil años, la humanidad prospera en una galaxia gobernada por el Imperio desde la majestuosa ciudad de Trántor. Todos creen que la estabilidad durará para siempre hasta que Hari Seldon predice, mediante su revolucionaria teoría de la psicohistoria, un futuro de ruina y destrucción. Desterrado al planeta Terminus, Seldon establecerá una colonia con las mentes más brillantes del Imperio, una Fundación que esconde la clave para cambiar el destino de la galaxia.

In a time before the Foundations, psychohistory’s creator Hari Seldon is made to stand before the Emperor of the crumbling Galactic Empire to present how his scientific theory of predicting the future might be applied to the real world. However, Hari refuses to deploy his theory for political gain, setting off instead with reporter Chetter Hummin in quest of a place to safely apply his theory: Earth, the original home of humanity. All records of Earth have been lost to time. Hari will therefore have to look back into the past, in order to seal the future of humanity for ever.

This last volume in the definitive collection of the best science fiction novellas published between 1929 and 1964 contains 11 great classics. No anthology better captures the birth of science fiction as a literary field. Published in 1973 to honor stories that had appeared before the institution of the Nebula Awards, The Science Fiction Hall of Fame introduced thousands of young listeners to the wonders of science fiction and was a favorite of libraries across the country.

The Galactic Empire has prospered for 12,000 years. Nobody suspects that the heart of the thriving Empire is rotten, until psychohistorian Hari Seldon uses his new science to foresee its terrible fate. Exiled to the desolate planet Terminus, Seldon establishes a colony of the greatest minds in the Empire, a Foundation which holds the key to changing the fate of the galaxy.

Could a robot ever show true creativity? Is it wise to trust self-driving cars? Will robotic body parts transform human beings into machines? Will organic technology allow robots to become human? Featuring Dr. Susan Calvin, Donovan and Powell, and the detective Elijah Baley, hero of the Robot novels, this is the ultimate collection of short stories from a genius of the genre.

The First Foundation has been defeated, crushed by the formidable mental powers of the Mule. But whispers of the mysterious Second Foundation, the only hope of defeating the Mule, are beginning to spread. Surviving members of the First Foundation also fear the secret powers of the Second Foundation, vowing to find and destroy it. However, the location of the Second Foundation remains shrouded in mystery. Finding it will lead the Foundation to the opposite end of the Galaxy, where the fate of Seldon’s two Foundations awaits.

After years of bitter struggle, Trantor had at last completed its work - its Galactic Empire ruled all 200 million planets of the Galaxy...all but one. On a backward planet called Earth were those who nurtured bitter dreams of a mythical, half-remembered past when the planet was humanity’s only home. The other worlds despised it or merely patronized it - until a man from the past miraculously stepped through a time fault that spanned a millennium, living proof of Earth’s most preposterous claims.

On the planet of Solaria, Spacers live in almost complete isolation, tended by robot servants and disgusted by the thought of human contact. And yet, one of their number has been beaten to death. Incapable of solving the crime, the authorities of the Outer Worlds seek help from Earth – from renowned detective Elijah Baley. Partnered once again with the robot Daneel Olivaw, Baley travels to this strange new world and uncovers a plot that could change the relationship between humans and robots for ever.

Close your eyes and see the future. Radio often explored the issues of the day by imagining the days to come - and never did it better than in the stories you'll hear in this collection! From 2000 Plus to Dimension X, this is Great Radio Science Fiction!

Corre el año 12020 en Trántor, la próspera capital del Imperio Galáctico, una civilización de una complejidad tecnológica y cultural inimagibale. Sin embargo, Hari Seldon, la mente científica más brillante de su época, acaba de augurar un desastre colosal a través de la psicohistoria, una nueva ciencia capaz de predecir el futuro mediante fórmulas matemáticas. Cuando el emperador Cleón busque apropiársela, Seldon deberá huir para que sus ideas no caigan en las manos equivocadas.

La última pregunta, una obra maestra de la ciencia ficción, es, tal y como afirmó su autor en repetidas ocasiones, por encima de toda duda, mi favorita entre todas las historias que he escrito en mi carrera. ¿Es posible revertir el inevitable final del Universo, o el mundo debe acabar de todas formas? es la pregunta que desde un día del siglo XXI, hasta generaciones y generaciones posteriores en el tiempo, hacen los humanos a los ordenadores.

Trantor had extended its rule over half the Galaxy, but the other half defied its authority, defending their corrupt fiefdoms with violence and repression. On the planet Florina, the natives labored as slaves for their arrogant masters on nearby Sark. But now both worlds were hurtling toward a cataclysmic doom, and only one man knew the truth - a slave unaware of the secret knowledge locked inside his own brain. Rik had once been a prominent scientist until a psychic probe erased all memories of his past. Now he was a humble laborer in the kyrt mills of Florina.

As Hari Seldon struggles to perfect his revolutionary theory of psychohistory and ensure a place for humanity among the stars, the once-mighty Galactic Empire totters on the brink of apocalyptic collapse. Caught in the maelstrom are Seldon and all he holds dear, pawns in the struggle for dominance. Whoever can control Seldon will control psychohistory—and with it the future of the galaxy. Among those seeking to turn psychohistory into the greatest weapon known to man are a populist political demagogue, the weak-willed Emperor Cleon I, and a ruthless militaristic general.

Two centuries have passed since Elijah Baley’s actions on Aurora sent settlers from Earth to new worlds all over the galaxy. The Spacer planet of Solaria has been abandoned by humans, though countless robots remain. When settlers arrive to salvage them, something unthinkable happens – the robots attack. Accompanied by Gladia Delmarre and the robots Daneel and Giskard, a descendant of Elijah Baley sets out for Solaria to investigate, a quest that will lead them to a vast, catastrophic conspiracy and a revolution in the Three Laws of Robotics.

Mientras la sociedad terrestre rechaza a los robots humanoides, los Mundos Exteriores, antiguas colonias de la Tierra, han basado su economía en el trabajo de los robots, desarrollando así una sociedad altamente tecnológica, mucho más que la terrestre, en la que los individuos no soportan la presencia de sus congéneres: todos los contactos sociales se producen por medio de proyecciones holográficas. Por eso, el detective Baley no sabe por dónde empezar cuando le envían a Solaria a resolver el primer asesinato que se produce en doscientos años.

Here is a story that goes beyond space and time. Isaac Asimov takes on a journey that explores the ultimate fate of the universe, along with the question, what will become of the human race? So take a journey into the outer twilight of your mind. Turn off the light, sit back and relax, close your eyes, and enter the infinite universe of your imagination.

Watch out - the Earth just fell into a dark sun's orbit! Or maybe you'd rather visit a theme park called Hell? These are just two of the strange and unnerving tales you'll find in this collection of great science fiction and fantasy stories.