Hard SF (SF for techies)

Explore the best Hard SF books for techies—rigorous, science-driven sci-fi with cutting-edge tech and plausible futurism. Perfect for engineers and tech enthusiasts.

A Fire Upon The Deep Cover
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A Fire Upon The Deep

by Vernor Vinge

A Fire Upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale. Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function. Nobody knows what strange force partitioned space into these "regions of thought," but when the warring Straumli realm use an ancient Transcendent artifact as a weapon, they unwittingly unleash an awesome power that destroys thousands of worlds and enslaves all natural and artificial intelligence. Fleeing the threat, a family of scientists, including two children, are taken captive by the Tines, an alien race with a harsh medieval culture, and used as pawns in a ruthless power struggle. A rescue mission, not entirely composed of humans, must rescue the children-and a secret that may save the rest of interstellar civilization. A Fire Upon The Deep is the winner of the 1993 Hugo Award for Best Novel.
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Ringworld Cover
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Ringworld

by Larry Niven

Winner of the Hugo and Nebula Awards for best novel Four travelers come to the ringworld. . . Louis Wu: human and old; bored with having lived too fully for far too many years. Seeking a challenge, and all too capable of handling it. Nessus: a trembling coward, a puppeteer with a built-in survival pattern of nonviolence. Except that this particular puppeteer is insane. Teela Brown: human; a wide-eyed youngster with no allegiances, no experience, no abilities. And all the luck in the world. Speaker-To-Animals: kzin; large, orange-furred, and carnivorous. And one of the most savage life-forms known in the galaxy. Why did these disparate individuals come together? How could they possibly function together? And where, in the name of anything sane, were they headed?
Dream Park Cover
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Dream Park

by Larry Niven

For fifteen virtual reality gamers undertaking a four-and-half day quest, the fantasy slaying of monsters is suddenly interrupted-by murder.
Inherit the Stars Cover
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Inherit the Stars

by James P. Hogan

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ID: 044101030X
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Startide Rising Cover
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Startide Rising

by David Brin

David Brin's Uplift novels are among the most thrilling and extraordinary science fiction ever written. Sundiver, Startide Rising, and The Uplift War--a New York Times bestseller--together make up one of the most beloved sagas of all time. Brin's tales are set in a future universe in which no species can reach sentience without being "uplifted" by a patron race. But the greatest mystery of all remains unsolved: who uplifted humankind? The Terran exploration vessel Streaker has crashed in the uncharted water world of Kithrup, bearing one of the most important discoveries in galactic history. Below, a handful of her human and dolphin crew battles armed rebellion and a hostile planet to safeguard her secret--the fate of the Progenitors, the fabled First Race who seeded wisdom throughout the stars.
Rendezvous With Rama Cover
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Rendezvous With Rama

by Arthur Charles Clarke

During the twenty-second century, a space probe's investigation of a mysterious, cylindrical asteroid brings man into contact with an extra-galactic civilization
Dragon's Egg Cover
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Dragon's Egg

by Robert L. Forward

“In science fiction there is only a handful of books that stretch the mind—and this is one of them.”—Arthur C. Clarke In a moving story of sacrifice and triumph, human scientists establish a relationship with intelligent lifeforms—the cheela—living on Dragon’s Egg, a neutron star where one Earth hour is equivalent to hundreds of their years. The cheela culturally evolve from savagery to the discovery of science, and for a brief time, men are their diligent teachers. Praise for Dragon’s Egg “Bob Forward writes in the tradition of Hal Clement’s Mission of Gravity and carries it a giant step (how else?) forward.”—Isaac Asimov “Dragon’s Egg is superb. I couldn’t have written it; it required too much real physics.”—Larry Niven “This is one for the real science-fiction fan.”—Frank Herbert “Robert L. Forward tells a good story and asks a profound question. If we run into a race of creatures who live a hundred years while we live an hour, what can they say to us or we to them?”—Freeman J. Dyson “Forward has impeccable scientific credentials, and . . . big, original, speculative ideas.”—The Washington Post
Neuromancer Cover
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Neuromancer

by William Gibson

Winner of the Hugo, Nebula, and Philip K. Dick Awards, Neuromancer is a science fiction masterpiece—a classic that ranks as one of the twentieth century’s most potent visions of the future. Case was the sharpest data-thief in the matrix—until he crossed the wrong people and they crippled his nervous system, banishing him from cyberspace. Now a mysterious new employer has recruited him for a last-chance run at an unthinkably powerful artificial intelligence. With a dead man riding shotgun and Molly, a mirror-eyed street-samurai, to watch his back, Case is ready for the adventure that upped the ante on an entire genre of fiction. Neuromancer was the first fully-realized glimpse of humankind’s digital future—a shocking vision that has challenged our assumptions about technology and ourselves, reinvented the way we speak and think, and forever altered the landscape of our imaginations.
Gateway Cover
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Gateway

by Frederik Pohl

Gateway opened on all the wealth of the Universe...and on reaches of unimaginable horror. When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take! THE HEECHEE SAGA Book One: GATEWAY Book Two: BEYOND THE BLUE EVENT HORIZON Book Three: HEECHEE RENDEZVOUS Book Four: THE ANNALS OF THE HEECHEE
The Peace War Cover
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The Peace War

by Vernor Vinge

The novel that garnered Vinge his first "Best Novel" Hugo Finalist nomination, back in print after thirteen years. With a combination of hard-SF concepts, tight plotting, and appealing characters, Vinge tells a now-classic story of the Few triumphing over the Many. The Peace Authority, wielding a new state-of-the-art weapon, takes over the world, and claims to be "maintaining the peace" while really controlling the scattered survivors of the new world. The inventor of their weapon, which was never meant to be a weapon at all, leads a resistance of high-tech "tinkers" who fight to defeat the "Peace."