Showing results by author "Isaac Asimov" in All Categories

In this 1972 treatise, Isaac Asimov takes the listener on an historic journey through the development of man's understanding of electricity, chemistry, and - ultimately - nuclear energy. Asimov's incomparable ability to simplify the complex is apparent as he guides you through the milestones of scientific thought that connected ideas about electricity and magnetism to the nature of matter, and led to the advances in discovery through the first half of the 20th century that resulted in the harnessing of previously unknown energy directly from the heart of the atom.

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.

Slim is a boy whose astronomer father is visiting the country estate of an important industrialist. The industrialist's son, Red, has found two strange animals, and he enlists Slim in a plan to turn the animals into a circus act. The astronomer, meanwhile, tells the industrialist that he has been in contact with space aliens who want to open up their world to interstellar trade. Their world needs help, the astronomer says; ever since the atomic wars that destroyed their old civilization, their world has been regressing.

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.

Faced with determining the fate of the galaxy, Golan Trevize hesitantly chose to hand over the rule of the galaxy to planet Gaia. Two mysteries now remain: who has erased the records of Earth – and why? Determined to ensure his choice was right, Golan sets off with Janov Pelorat and Bliss, to answer these questions once and for all. But nothing could prepare them for the secrets which await them on Earth. Secrets which predate history as they know it, and will change its significance forever.

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.

When the technology for twisting to other probability patterns was developed, a grateful Earth solved its overcrowding by sending people to live on Earths where plants and animals never got started. Each family could have its own planet, because there was an infinite number of such alt-Earths available, and the computers never assigned the same one twice. Trouble was - someone else had the same idea!

Guiada por su fundador, el gran psicohistoriador Hari Seldon, la Fundación ha logrado sobrevivir a la amenaza de barbarie de sus planetas vecinos. Pero ahora debe enfrentarse al Imperio, que, pese a su decadencia, sigue siendo la fuerza más poderosa de la galaxia. Y nadie ha podido prever el nacimiento de una extraordinaria criatura llamada el Mulo, una inteligencia mutante dotada de poderes paranormales capaces de convertir al humano más combativo en un dócil esclavo.

Un clásico entre los clásicos de la ciencia ficción. Esta historia, que apareció por primera vez en 1976, fue mi exposición más clarividente del desarrollo de los robots. Trataba del deseo de un robot de convertirse en hombre y la forma en que realizaba este deseo, paso a paso. No tenía intención de escribir esta historia cuando la empecé, se escribió sola, y se trazó y entrelazó en la máquina de escribir. Acabó siendo la tercera de mis historias favoritas, entre todas las escritas.

Isaac Asimov was the Grand Master of the Science Fiction Writers of America, the founder of robot ethics, and one of the world’s most prolific authors of fiction and non-fiction. Asimov’s short fiction has been enjoyed by millions for more than half a century. Within this collection are stories often voted among the best science fiction stories of all time, including Hugo Award-winning title story ‘Bicentennial Man’, which explores a robot’s journey towards becoming human.

The definitive collection of short fiction by Isaac Asimov, supreme master of the science fiction genre continues with Volume Three of the Complete Stories. The Good Doctor was always ahead of his time and his work stands today as the clearest expression of our collective hopes and fears for the future. But the ever-expanding popularity of his stories with young and old fans alike is explained by their wit, zest and human interest.

Andrew Harlan’s job is to range through past and present centuries monitoring and even altering Time’s myriad cause-and-effect relationships. As a Technician with the Allwhen Council, he initiates Reality Changes that may affect the lives of as many as fifty billion people – and a million or more of them may be so drastically affected as to be considered new individuals. Above all, therefore, a Technician must be dispassionate. An emotional make-up is a distinct handicap. Then Harlan meets Noÿs and falls victim to a phenomenon older than Time itself – love.

What would a child of the future envision a classroom of the 20th century to look like? This is a question that is explored in a rare piece of science fiction from master writer Isaac Asimov. Listen in to two children of the 22nd century as they explore their first-ever book. Everything they know comes on a screen and they're not sure what to do with a book. While written decades ago it's uncanny to hear the similarities to our present.

A research spaceship from Earth lands on Saybrook's Planet to investigate a report by an earlier colony ship. The colony ship's captain, Saybrook, had reported that the planet's abundant plant and animal life was all part of a single organism with a unified consciousness. That organism was able to induce pregnancy in all the colony ship's female animals, and all the offspring born had green patches of fur instead of eyes, a sign that they were part of the planetary organism.

This third volume of Great Sci-Fi Stories contains "Young Man from Elsewhen" by Sylvia Jacobs, "Asleep in Armageddon" by Ray Bradbury, "Living Space" by Isaac Asimov, and more.

Las informaciones y comentarios de este ameno e instructivo ensayo conducen al lector por los vericuetos de la creación mitológica griega como si se tratase de una novela de aventuras, comentando la poderosa influencia que los mitos han ejercido en la génesis y evolución del pensamiento humano, con particular énfasis en la formación de las principales lenguas que se hablan en el mundo.

Prévoyant l'effondrement prochain de l'Empire galactique, le psychohistorien Hari Seldon a jadis créé deux Fondations, l'une officielle, l'autre occulte, afin de préserver la civilisation d'une interminable période de chaos. Pourtant, cinq siècles après leur établissement, alors même que la Première Fondation n'a jamais été aussi puissante, un nouveau protagoniste semble entrer en jeu, œuvrant dans l'ombre à l'insu de tous. Peut-être tient-il entre ses mains le devenir de l'humanité tout entière...

On a world where nighttime only comes every 2,500 years, what happens when darkness is about to fall? Based on Isaac Asimov's classic story, this episode of Dimension X originally aired on September 29, 1951.

The tale takes place on one of Jupiter's moons, Ganymede, where a home sick Olaf Johnson shares the legend of Santa Claus with the "Ossies" (local inhabitants) who are employed by the same company he works for. The Ossies' embrace the story whole-heartedly and declare a shut-down in production unless "Sante" pays them a visit. Will Olaf be able to re-create this Earth legend in outer space? Will Olaf keep his job after Commander Pelham (his boss) learns what he has done? Listen and find out!

In 1966, Isaac Asimov and Theodosius Dobzhansky wrote The Genetic Effects of Radiation as a public information resource for the US Atomic Energy Commission. In Asimov's typically incisive and easy-to-understand style, the pair presents an overview of genetics, and how inherited traits can be influenced by external factors, including radiation, both environmental and man-made.