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The Physics of Star Trek

The Physics of Star Trek

4.1 7
by Lawrence M. Krauss

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What warps when you're traveling at warp speed? What is the difference between a wormhole and a black hole? Are time loops really possible, and can I kill my grandmother before I am born? Anyone who has ever wondered “could this really happen?” will gain useful insights into the Star Trek universe (and, incidentally, the real world of physics


What warps when you're traveling at warp speed? What is the difference between a wormhole and a black hole? Are time loops really possible, and can I kill my grandmother before I am born? Anyone who has ever wondered “could this really happen?” will gain useful insights into the Star Trek universe (and, incidentally, the real world of physics) in this charming and accessible guide. Lawrence M. Krauss boldly goes where Star Trek has gone-and beyond. From Newton to Hawking, from Einstein to Feynman, from Kirk to Picard, Krauss leads readers on a voyage to the world of physics as we now know it and as it might one day be.

Editorial Reviews

From the Publisher
Washington Post
“The essential tubeside companion for the fans of the venerable Star Trek series.”

New York Times Book Review
”This book is fun…Krauss is always enlightening.”

St. Petersburg Times
“A fascinating way to learn more about physics.”

Cleveland Plain Dealer
“One of the year's best gifts for a science-fiction fan.”

Tampa Tribune
The Physics of Star Trek is a fun, readable little book by an eminent physicist that boldly goes where few serious scientists have ever gone before.”

Washington Post
The essential tubeside companion for the fans of the venerable 'Star Trek' series.
Focusing on the 'Star Trek' television series and movies, the author addresses such questions as 'Are any of the technologies in 'Star Trek' possible? What do the laws of physics allow and what do they rule out? . . . [He discusses] modern physics, genetics, and cosmology. —Christian Science Monitor
New York Times Book Review
This book is fun, and Mr. Krauss has a nice touch with a tough subject...Readers drawn by frivolity will be treated to substance.
Publishers Weekly - Publisher's Weekly
Even those who have never watched an episode of Star Trek will be entertained and enlightened by theoretical physicist Krauss's adventurous investigation of interstellar flight, time travel, teleportation of objects and the possibility of extraterrestrial life. Case Western Reserve professor Krauss maintains that Star Trek's writers were sometimes far ahead of scientists-and famed astrophysicist Stephen Hawking's foreword, endorsing the possibilities of faster-than-light travel and journeying back in time, supports that notion. On the other hand, Krauss also argues that the show is riddled with bloopers and huge improbabilities, as when the Voyager's crew escapes from a black hole's interior. This informal manual for Trekkers offers a porthole on the wonders of the universe as it ponders the potential existence of aliens, ``wormholes'' that allow astronauts to tunnel through space, other dimensions and myriad baby universes. $75,000 ad/promo; BOMC and QPB alternates; Astronomy Book Club dual main selection; Library of Science, Natural Science Book Club and Newbridge Computer Book Club alternates. (Nov.)
VOYA - Susan Allen
One does not have to be a Trekkie to find this book fascinating, nor does one need to have a scientific bent to understand its concepts. The introduction by Stephen Hawking throws one immediately into the text: "Today's science fiction is often tomorrow's science fact." The everyday concepts of the Star Trek world, such as warp, transporter beams, antimatter, etc., all are discussed, and their possible use in the future reviewed. For example, the author considers warp as a feasible means of traveling vast distances within our conception of the time. The idea of transporting, and the question of whether one transports the information from the person or the atoms that make up the person, cause one to pause. Where does antimatter come from in the first place, since the universe seems to be made up of matter? The scientific explanations for what within the Star Trek world is plausible and what is bogus are presented clearly and simply. The reader learns important physics laws and concepts without even being aware of doing so. The possibilities of technology that mirrors what exists in the TV series will fascinate any reader. The title alone will cause the book to be picked up, but the text will keep them reading. Index. Illus. Source Notes. VOYA Codes: 4Q 5P M J S (Better than most, marred only by occasional lapses, Every YA (who reads) was dying to read it yesterday, Middle School-defined as grades 6 to 8, Junior High-defined as grades 7 to 9 and Senior High-defined as grades 10 to 12). 1996, HarperPerennial, Ages 12 to 18,
The 87 selected papers review recent developments in understanding, monitoring, simulating, and managing air pollution problems, emphasizing new experimental and computational techniques in urban and suburban regions and, for the first time, health problems. The sections cover air pollution and environmental modelling, turbulence modelling at small and meso scales, modelling chemical transformation, the chemistry of air pollution, fluid mechanics for environmental problems, aerosols in the atmosphere, process studies, data analysis and observation urban and suburban transport emissions, urban air pollution, emission inventories, pollution engineering, and pollution management. Reproduced from typescripts. No subject index. Annotation c. Book News, Inc., Portland, OR (booknews.com)

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Basic Books
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5.50(w) x 8.25(h) x 0.62(d)

Read an Excerpt

A CosmicPoker Game In which the physics of inertial dampers and tractor beams paves the way for time travel, warp speed, deflector shields, wormholes, andother spacetime oddities

Chapter One

Newton Antes

"No matter where you go, there you are."
—From a plaque on the starship Excelsior, in Star Trek VI: The Undiscovered Country, presumably borrowed from The Adventures of Buckaroo Banzai

You are at the helm of the starship Defiant (NCC-1764), currently in orbit around the planet Iconia, near the Neutral Zone. Your mission: to rendezvous with a nearby supply vessel at the other end of this solar system in order to pick up components to repair faulty transporter primary energizing coils. There is no need to achieve warp speeds; you direct the impulse drive to be set at full power for leisurely half-light-speed travel, which should bring you to your destination in a few hours, giving you time to bring the captain's log up to date. However, as you begin to pull out of orbit, you feel an intense pressure in your chest. Your hands are leaden, and you are glued to your seat. Your mouth is fixed in an evil-looking grimace, your eyes feel like they are about to burst out of their sockets, and the blood flowing through your body refuses to rise to your head. Slowly, you lose consciousness . . . and within minutes you die.

What happened? It is not the first signs of spatial "interphase" drift, which will later overwhelm the ship, or an attack from a previously cloaked Romulan vessel. Rather, you have fallen prey to something far more powerful. The ingenious writers of Star Trek, on whom youdepend, have not yet invented inertial dampers, which they will introduce sometime later in the series. You have been defeated by nothing more exotic than Isaac Newton's laws of motion—the very first things one can forget about high school physics.

OK, I know some trekkers out there are saying to themselves, "How lame! Don't give me Newton. Tell me things I really want to know, like 'How does warp drive work?' or 'What is the flash before going to warp speed—is it like a sonic boom?' or 'What is a dilithium crystal anyway?'" All I can say is that we will get there eventually. Travel in the Star Trek universe involves some of the most exotic concepts in physics. But many different aspects come together before we can really address everyone's most fundamental question about Star Trek: "Is any of this really possible, and if so, how?"

To go where no one has gone before—indeed, before we even get out of Starfleet Headquarters—we first have to confront the same peculiarities that Galileo and Newton did over three hundred years ago. The ultimate motivation will be the truly cosmic question which was at the heart of Gene Roddenberry's vision of Star Trek and which, to me, makes this whole subject worth thinking about: "What does modern science allow us to imagine about our possible future as a civilization?"

Anyone who has ever been in an airplane or a fast car knows the feeling of being pushed back into the seat as the vehicle accelerates from a standstill. This phenomenon works with a vengeance aboard a starship. The fusion reactions in the impulse drive produce huge pressures, which push gases and radiation backward away from the ship at high velocity. It is the backreaction force on the engines—from the escaping gas and radiation—that causes the engines to "recoil" forward. The ship, being anchored to the engines, also recoils forward. At the helm, you are pushed forward too, by the force of the captain's seat on your body. In turn, your body pushes back on the seat.

Now, here's the catch. Just as a hammer driven at high velocity toward your head will produce a force on your skull which can easily be lethal, the captain's seat will kill you if the force it applies to you is too great. Jet pilots and NASA have a name for the force exerted on your body while you undergo high accelerations (as in a plane or during a space launch): G-forces. I can describe these by recourse to my aching back: As I am sitting at my computer terminal busily typing, I feel the ever-present pressure of my office chair on my buttocks—a pressure that I have learned to live with (yet, I might add, that my buttocks are slowly reacting to in a very noncosmetic way). The force on my buttocks results from the pull of gravity, which if given free rein would accelerate me downward into the Earth. What stops me from accelerating—indeed, from moving beyond my seat—is the ground exerting an opposite upward force on my house's concrete and steel frame, which exerts an upward force on the wood floor of my second-floor study, which exerts a force on my chair, which in turn exerts a force on the part of my body in contact with it. If the Earth were twice as massive but had the same diameter, the pressure on my buttocks would be twice as great. The upward forces would have to compensate for the force of gravity by being twice as strong.

The same factors must be taken into account in space travel. If you are in the captain's seat and you issue a command for the ship to accelerate, you must take into account the force with which the seat will push you forward. If you request an acceleration twice as great, the force on you from the seat will be twice as great. The greater the acceleration, the greater the push. The only problem is that nothing can withstand the kind of force needed to accelerate to impulse speed quickly—certainly not your body.

By the way, this same problem crops up in different contexts throughout Star Trek—even on Earth. At the beginning of Star Trek V: The Final Frontier, James Kirk is free-climbing while on vacation in Yosemite when he slips and falls. Spock, who has on his rocket boots, speeds to the rescue, aborting the captain's fall within a foot or two of the ground. Unfortunately, this is a case where the solution can be as bad as the problem. It is the process of stopping over a distance of a few inches which can kill you, whether or not it is the ground that does the stopping or Spock's Vulcan grip.

Well before the reaction forces that will physically tear or break your body occur, other severe physiological problems set in. First and foremost, it becomes impossible for your heart to pump strongly enough to force the blood up to your head. This is why fighter pilots sometimes black out when they perform maneuvers involving rapid acceleration. Special suits have been created to force the blood up from pilots' legs to keep them conscious during acceleration. This physiological reaction remains one of the limiting factors in determining how fast the acceleration of present-day spacecraft can be, and it is why NASA, unlike Jules Verne in his classic From the Earth to the Moon, has never launched three men into orbit from a giant cannon.

If I want to accelerate from rest to, say, 150,000 km/sec, or about half the speed of light, I have to do it gradually, so that my body will not be torn apart in the process. In order not to be pushed back into my seat with a force greater than 3G, my acceleration must be no more than three times the downward acceleration of falling objects on Earth. At this rate of acceleration, it would take some 5 million seconds, or about 21Ž2 months, to reach half light speed! This would not make for an exciting episode.

To resolve this dilemma, sometime after the production of the first Constitution Class starship—the Enterprise (NCC-1701)—the Star Trek writers had to develop a response to the criticism that the accelerations aboard a starship would instantly turn the crew into "chunky salsa."1 They came up with "inertial dampers," a kind of cosmic shock absorber and an ingenious plot device designed to get around this sticky little problem.

The inertial dampers are most notable in their absence. For example, the Enterprise was nearly destroyed after losing control of the inertial dampers when the microchip life-forms known as Nanites, as part of their evolutionary process, started munching on the ship's central-computer-core memory. Indeed, almost every time the Enterprise is destroyed (usually in some renegade timeline), the destruction is preceded by loss of the inertial dampers. The results of a similar loss of control in a Romulan Warbird provided us with an explicit demonstration that Romulans bleed green.

What People are Saying About This

Stephen Hawking(in the foreward)
"Today's science fiction is often tomorrow's science fact. The physics that underlies Star Trek is surely worth investigating. To confine our attention to terrestrial matters would be to limit the human spirit."

Meet the Author

Lawrence M. Krauss is Ambrose Swasey Professor of Physics and Professor of Astronomy and Director of the Center for Education and Research in Cosmology and Astrophysics at Case Western Reserve University. He is the only physicist to have received the top awards by the American Physical Society, the American Institute of Physics, and the American Association of Physics Teachers. He lives in Cleveland, Ohio.

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The Physics of Star Trek 4.1 out of 5 based on 0 ratings. 7 reviews.
Anonymous More than 1 year ago
Really interesting book that investigates the feasibilty and physics behind all the speculative technology of Star Trek, written in plain English. Topics include the warp drive, the transporter and replicators, tractor beams, phasers, defense shields, possibility of encountering alien life, etc. Surprisingly, most of the techology in the series does seem plausible; the biggest hurdles being adequate energy sources and the vast, vast distances separating the stars. People who like thus book should also enjoy Prof Michio Kaku's Physics of the Impossible and Physics of the Future.
Guest More than 1 year ago
Do you like Star Trek? Do you like physics? Would you like to expand your mind to the plausible and implausible? If any of these apply to you, then you should pick up The Physics of Star Trek as soon as you get a chance. I recently read this book, and I found it fascinating, and relatively easy to read. Lawrence M. Krauss, the author, explores the futuristic elements of the Star Trek TV series and films and questions its validity throughout the book. These futuristic elements include warp speed, inertial dampers, holograms, ¿beaming¿ up, black holes, worm holes, `antimatter¿, and time loops. Among these are much, much more. Rather than picking out the impossibilities of the physical aspects of Star Trek, Krauss describes and breaks down the technology necessary to turn some of this science fiction, into fact. A foreword by Stephen Hawking is included in the book and he quotes ¿Today¿s science fiction is often tomorrow¿s science fact.¿ For example, Krauss describes how the ¿G¿s¿ in the acceleration to travel at light speed would kill a person, but suggests that if an artificial world could be created inside of the ship, the G¿s could be cancelled out, therefore making speed-of-light travel possible. This may be a stretch to think of for modern day physics, but in the future¿ who knows? The Physics of Star Trek is quite the mind-boggling novel. Krauss uses his investigations to take his readers beyond the standard thought of possibility. He examines the pure physics behind the futuristic aspects of Star Trek and explains what could be in the realm of possibility within the next century. Although I am not a very ¿Sci-Fi¿ inclined person, this book hooked me in the moment I read the Foreword. I would recommend this book to almost anyone, highschool and up.
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RWhitedMILTON More than 1 year ago
The novel The Physics of Star Trek by Lawrence M. Krauss explains many of the scientific phenomena in the famous and long-running television series, Star Trek. Fans of the series will be delighted to read about the adventures of Captain Kirk and other members of the perennial starship crew. Unfortunately, the average reader of the novel will be more than disappointed. Compared to other reading materials regarding complex theoretical physics, The Physics of Star Trek is easy to read. Unfortunately, if one does not have an interest for science, the book is a bore. Readers with average attention spans will quickly become disengaged with the novel. Its 251 pages are packed to the brim with information regarding complicated subjects such as wormholes, antimatter, the String Theory, dark matter, and quantum physics. While these subjects may at first be fascinating, Professor Krauss gives each subject such little time, causing fascination to be fleeting. While The Physics of Star Trek can be considered a valuable piece to any Trekkie's collection, most people will not be interested in this novel. It is too complex for the Everyman but too shallow for the Science Buff.