Ian Stewart

Jack Cohen

Terry Pratchett

Marjorie Daw is a librarian, and takes her job - and indeed the truth of words - very seriously. She doesn't know it, but her world and ours - Roundworld - is in big trouble. On Discworld, a colossal row is brewing. The Wizards of Unseen University feel responsible for Roundworld (as one would for a pet gerbil).

Judgement day. IV

The Science of Discworld

The first half of this book is a witty primer, a guided tour of the Islands of Truth that maps out everything you need to know about science from Newton to the present. The second half dives into the Oceans of Ignorance that surround what is known. Filled with anecdotes, diagrams, and colorful everyday examples, it is certain to make people look at the world in a new way.

Discovering Simplicity in a Complex World

The Collapse of Chaos

mehr von den Gelehrten der Scheibenwelt

Die Philosophen der Rundwelt

The discovery of wheeled objects burried in the icy surface of Jupiter's eighth moon leads to the even more bizarre revelation that Jupiter is in fact populated by a mysterious race of aliens. 40,000 first printing.

Wheelers

Die Wissenschaft der Scheibenwelt 1

Die Gelehrten der Scheibenwelt

Not just another science book and not just another Discworld novella, The Science of Discworld is a creative, mind-bending mash-up of fiction and fact, that offers a wizard’s-eye view of our world that will forever change how you look at the universe. Can Unseen University’s eccentric wizards and orangutan Librarian possibly shed any useful light on hard, rational Earthly science? In the course of an exciting experiment, the wizards of Discworld have accidentally created a new universe. Within this universe is a planet that they name Roundworld. Roundworld is, of course, Earth, and the universe is our own. As the wizards watch their creation grow, Terry Pratchett and acclaimed science writers Ian Stewart and Jack Cohen use Discworld to examine science from the outside. Interwoven with the Pratchett’s original story are entertaining, enlightening chapters which explain key scientific principles such as the Big Bang theory and the evolution of life on earth, as well as great moments in the history of science.

A Novel

When Charles Darwin writes the wrong book and reverses the progress of science, Unseen University’s wizards must once again save Roundworld (Earth, that is) from an apocalyptic end. Ever since a wizardly experiment inadvertently brought about the creation of Roundworld, the wizard scholars of Unseen University have done their best to put things on the right course. In Darwin's Watch they may face their greatest challenge yet: A man called Darwin has written a bestselling book called The Theology of the Species, and his theory of scientific design has been witlessly embraced by Victorian society. As a result, scientific progress has slowed to a crawl, and the wizards must find a way to change history back to the way it should have been. DARWIN'S WATCH EXPLORES THE REVERBERATIONS of major scientific advances on our planet and our culture, the dangers of obscurantism, and the theory of evolution as you have never seen it before. This brilliant addition to Pratchett's beloved Discworld series illustrates with great wit and wisdom how the laws of our universe truly are stranger than fiction.

The Science of Discworld III: A Novel

Darwin's Watch

Die Gelehrten der Scheibenwelt.

In the year 2270, with travel to the nearby planets well established, a bizarre discovery is made on Callisto, the eighth moon of Jupiter. Dozens upon dozens of strange wheeled artifacts-wheelers-are found buried beneath the icy surface. No one knows what they were used for and who left them in our solar system. At the same time, it is discovered that the moons of Jupiter have moved from their age-old positions. A quickly formed expedition finds that Jupiter is inhabited by a race of balloon-like aliens, who defend their world against comet strikes by moving their moons using gravitational technology. This time, though, their redirection is aiming an incoming comet directly at Earth! Communication at first proves impossible, but an Earth child who has an intuitive understanding of animal behavior becomes the key to contacting them-and joining forces with them to save the world.

Is the universe around us a figment of our imagination? Or are our minds figments of reality? In this refreshing new look at the evolution of mind and culture, bestselling authors Ian Stewart and Jack Cohen eloquently argue that our minds necessarily evolved inextricably within the context of culture and language. They go beyond conventional reductionist ideas to look at how the mind is the response of an evolving brain trying to grapple with a complex environment. Along the way they develop new and intriguing insights into the nature of evolution, science and humanity.

The Evolution of the Curious Mind

Figments of Reality

The wizards of Unseen University are again called upon to defend their creation, Roundworld, this time in a courtroom—where its very existence hangs in the balance. The Omnians fervently believe that the world is round, not flat, and view the discovery of Roundworld as a vindication of their faith. To leave this artifact in the hands of the wizards would be unacceptable. Not only do the academics hold that Discworld is flat, but by creating the Roundworld universe, they have elevated themselves to the level of gods. Ankh-Morpork’s venerable tyrant Lord Vetinari agrees to a tribunal, where the wizards Ridcully, Rincewind, and Ponder Stibbons can present their case—with key assistance from a Roundworld librarian named Marjorie Daw. JUDGMENT DAY weaves together explorations of such Earthly topics as big science, creation, subatomic particles, the existence of dark matter, and the psychology of belief--a treat for Discworld fans and readers of popular science alike.

Science of Discworld IV: A Novel

Judgment Day

Twenty-third-century civilisation is recovering from a decades-long anti-technology freeze that has left the world under-populated, the Moon and asteroids controlled by a Tibetan Zen Buddhist sect from a deep-space habitat, and interplanetary exploration in the hands of a few eccentric outcasts. One such loner - Prudence Odingo - returns to Earth to report that she has recovered 100,00-year-old wheeled artefacts, from under the ice of Callisto, a moon of Jupiter. She is arrested, and about to be convicted on criminal fraud when the 'wheelers' abruptly come to life - and several of Jupiter's moons change their orbits, ready to propel a vast planet-destroying comet towards Earth. The unimaginable and incredibly powerful creatures that live in Jupiter's hellish atmosphere have apparently declared war on humanity. Prudence must somehow discover why - with the help of her Zen Buddhist friends, and the archenemy pedant who once destroyed her career.

Roundworld is in trouble again, and this time it looks fatal. Having created it in the first place, the wizards of Unseen University feel vaguely responsible for its safety. They know the creatures who lived there escaped the impending Big Freeze by inventing the space elevator - they even intervened to rid the planet of a plague of elves, who attempted to divert humanity onto a different time track. But now it's all gone wrong - Victorian England has stagnated and the pace of progress would embarrass a limping snail. Unless something drastic is done, there won't be time for anyone to invent spaceflight and the human race will be turned into ice-pops. Why, though, did history come adrift? Was it Sir Arthur Nightingale's dismal book about natural selection? Or was it the devastating response by an obscure country vicar called Charles Darwin, whose bestselling Theology of Species made it impossible to refute the divine design of living creatures? Either way, it's no easy task to change history, as the wizards discover to their cost. Can the God of Evolution come to humanity's aid and ensure Darwin writes a very different book? And who stopped him writing it in the first place?

The Science of Discworld III

Terence David John Pratchett

When Charles Darwin writes the wrong book and reverses the progress of science, Unseen University s wizards must once again save Roundworld (Earth, that is) from an apocalyptic end. Ever since a wizardly experiment inadvertently brought about the creation of Roundworld, the wizard scholars of Unseen University have done their best to put things on the right course. In "Darwin's Watch" they may face their greatest challenge yet: A man called Darwin has written a bestselling book called "The Theology of the Species," and his theory of scientific design has been witlessly embraced by Victorian society. As a result, scientific progress has slowed to a crawl, and the wizards must find a way to change history back to the way it should have been. "DARWIN'S WATCH" EXPLORES THE REVERBERATIONS of major scientific advances on our planet and our culture, the dangers of obscurantism, and the theory of evolution as you have never seen it before. This brilliant addition to Pratchett's beloved Discworld series illustrates with great wit and wisdom how the laws of our universe truly are stranger than fiction."

Darwin's Watch: The Science of Discworld III: A Novel

"A fascinating and useful handbook to both the science and science fiction of extraterrestrial life. Cohen and Stewart are amusing, opinionated, and expert guides. I found it a terrific and informative piece of work-nothing else like it!" -Greg Bear "I loved it." -Larry Niven "Ever wonder about what aliens could be like? The world authority is Jack Cohen, a professional biologist who has thought long and hard about the vast realm of possibilities. This is an engaging, swiftly moving study of alien biology, a subject with bounds and constraints these authors plumb with verve and intelligence." -Gregory Benford "A celebration of life off Earth. A hearteningly optimistic book, giving a much-needed antidote to the pessimism of astrobiologists who maintain that we are alone in the universe-a stance based on a very narrow view of what could constitute life. A triumph of speculative nonfiction." -Dougal Dixon, author of After Man: A Zoology of the Future

The Science of Extraterrestrial Life

What Does a Martian Look Like

When a wizardly experiment goes adrift, the wizards of Unseen University find themselves with a pocket universe on their hands: Roundworld, where neither magic nor common sense seems to stand a chance against logic. The Universe, of course, is our own. And Roundworld is Earth. As the wizards watch their accidental creation grow, we follow the story of our universe from the primal singularity of the Big Bang to the Internet and beyond. Through this original Terry Pratchett story (with intervening chapters from Cohen and Stewart) we discover how puny and insignificant individual lives are against a cosmic backdrop of creation and disaster. Yet, paradoxically, we see how the richness of a universe based on rules, has led to a complex world and at least one species that tried to get a grip of what was going on.

The Science Of Discworld Revised Edition

I. Cohen

Centrally Organized Control of the Mediterranean Fruit Fly (Ceratitis Capitata Wied.) in Citrus Groves in Israel

Drei unnachahmlich unterhaltsame Sachbücher aus Sicht der Gelehrten der Scheibenwelt – unverzichtbar für alle Terry-Pratchett-Jünger: Als Ergebnis eines missglückten Experiments besitzen die Zauberer der Unsichtbaren Universität plötzlich ein Miniaturweltall: die irdische Rundwelt. Unter Führung der weisen Magier verfolgen wir die Geschichte unseres Universums vom Urknall bis zum Internet und darüber hinaus.

Drei unnachahmlich unterhaltsame Sachbücher aus Sicht der Gelehrten der Scheibenwelt – unverzichtbar für alle Terry- Pratchett-Jünger: Als Ergebnis eines missglückten Experiments besitzen die Zauberer der Unsichtbaren Universität plötzlich ein Miniaturweltall: die irdische Rundwelt. Unter Führung der weisen Magier verfolgen wir die Geschichte unseres Universums vom Urknall bis zum Internet und darüber hinaus.

Jack Cohen

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