It has been said that if the 20th Century was the Age of Biology, the 21st will be the Age of Physics. Standing near the forefront of that revolution is American theoretical physicist and author Michio Kaku. With tomes such as Teleportation & Time Travel, Physics of the Impossible, and Parallel Worlds, Kaku has become a mentor for futurists, media interviewers, avant-garde filmmakers and choreographers. His newest release clicks us into a digital realm where nanobot sensors will constantly monitor our health and elevators will transport us hundreds of miles into space. Filled with lucid details and fascinating examples, this Physics of the Future qualifies as one of the most exciting science books of the new millennium.
Physics of the Future: How Science Will Shape Human Destiny and Our Daily Lives by the Year 2100by Michio Kaku
Imagine, if you can, the world in the year 2100.
In Physics of the Future, Michio Kaku—the New York Times bestselling author of Physics of the Impossible—gives us a stunning, provocative, and exhilarating vision of the coming century based on interviews with over three hundred of the world’s top scientists who are/i>/i>/i>/b>
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Imagine, if you can, the world in the year 2100.
In Physics of the Future, Michio Kaku—the New York Times bestselling author of Physics of the Impossible—gives us a stunning, provocative, and exhilarating vision of the coming century based on interviews with over three hundred of the world’s top scientists who are already inventing the future in their labs. The result is the most authoritative and scientifically accurate description of the revolutionary developments taking place in medicine, computers, artificial intelligence, nanotechnology, energy production, and astronautics.
In all likelihood, by 2100 we will control computers via tiny brain sensors and, like magicians, move objects around with the power of our minds. Artificial intelligence will be dispersed throughout the environment, and Internet-enabled contact lenses will allow us to access the world's information base or conjure up any image we desire in the blink of an eye.
Meanwhile, cars will drive themselves using GPS, and if room-temperature superconductors are discovered, vehicles will effortlessly fly on a cushion of air, coasting on powerful magnetic fields and ushering in the age of magnetism.
Using molecular medicine, scientists will be able to grow almost every organ of the body and cure genetic diseases. Millions of tiny DNA sensors and nanoparticles patrolling our blood cells will silently scan our bodies for the first sign of illness, while rapid advances in genetic research will enable us to slow down or maybe even reverse the aging process, allowing human life spans to increase dramatically.
In space, radically new ships—needle-sized vessels using laser propulsion—could replace the expensive chemical rockets of today and perhaps visit nearby stars. Advances in nanotechnology may lead to the fabled space elevator, which would propel humans hundreds of miles above the earth’s atmosphere at the push of a button.
But these astonishing revelations are only the tip of the iceberg. Kaku also discusses emotional robots, antimatter rockets, X-ray vision, and the ability to create new life-forms, and he considers the development of the world economy. He addresses the key questions: Who are the winner and losers of the future? Who will have jobs, and which nations will prosper?
All the while, Kaku illuminates the rigorous scientific principles, examining the rate at which certain technologies are likely to mature, how far they can advance, and what their ultimate limitations and hazards are. Synthesizing a vast amount of information to construct an exciting look at the years leading up to 2100, Physics of the Future is a thrilling, wondrous ride through the next 100 years of breathtaking scientific revolution.
"Mind-bending....fascinating....Kaku has a gift for explaining incredibly complex concepts, on subjects as far-ranging as nanotechnology and space travel, in language the lay reader can grasp....engrossing"San Francisco Chronicle
"[Kaku] has the rare ability to take complicated scientific theories and turn them into readable tales about what our lives will be like in the future.....fun...fascinating. And just a little bit spooky"USA Today
"Epic in its scope and heroic in its inspiration"Scientific American
"Following in the footsteps of Leonardo da Vinci and Jules Verne, Kaku, author of a handful of books about science, looks into the not-so-distant future and envisions what the world will look like. It should be an exciting place, with driverless cars, Internet glasses, universal translators, robot surgeons, the resurrection of extinct life forms, designer children, space tourism, a manned mission to Mars, none of which turn out to be as science-fictiony as they sound. In fact, the most exciting thing about the book is the fact that most of the developments Kaku discusses can be directly extrapolated from existing technologies. Robot surgeons and driverless cars, for example, already exist in rudimentary forms. Kaku, a physics professor and one of the originators of the string field theory (an offshoot of the more general string theory), draws on current research to show how, in a very real sense, our future has already been written. The book's lively, user-friendly style should appeal equally to fans of science fiction and popular science."
"Breezy, accessible and cheerily upbeat new book....Kaku’s primary strengths, other than his obvious expertise as a physicist, lie in the lucidity of his explanations....enviable access to many laboratories and research and development departments around the world....scrupulous"The Sunday Times (UK)
Praise for MICHIO KAKU
“Mesmerizing . . . the reader exits dizzy, elated, and looking at the world in a literally revolutionary way.”
—Washington Post Book World
“With his lucid and wry style, his knack for bringing the most ethereal ideas down to earth, and his willingness to indulge in a little scientifically informed futurology now and then . . . Michio Kaku has written one of the best popular accounts of higher physics.”
—Wall Street Journal
“What a wonderful adventure it is, trying to think the unthinkable.”
—New York Times Book Review
“An erudite, compelling, insider’s look into the most mind-bending potential of science research.”
“Accessible, entertaining, and inspiring”
“Mesmerizing information breathtakingly presented . . . thoroughly engaging . . . magnificent!”
— Philadelphia Inquirer
“An invigorating experience”
—Christian Science Monitor
“Kaku covers a tremendous amount of material . . . in a clear and lively way.”
—Los Angeles Times Book Review
Optimistic, scientifically sound forecasts of wonders in store for us.
Physicist and science writer Kaku (Theoretical Physics/City Univ. of New York; Physics of the Impossible: A Scientific Exploration into the World of Phasers, Force Fields, Teleportation, and Time Travel, 2008, etc.) divides his chapters into "near future" (until 2030), "mid-century" (2030 to 2070) and "far future" (2070 to 2100). Each begins with familiar technology and ongoing research. The near future of computers will give us self-driving cars and computers cheap enough to be disposable. Mid-century will see universal translators, and by 2100 thinking will control computers, producing instant, person-to-person communication and the ability to manipulate our environment, including malfunctioning body parts. Doctors already cure rare genetic diseases by inserting a single healthy gene into a patient's cells. Correcting complex genetic defects (e.g., diabetes, schizophrenia, Alzheimer's) and growing artificial organs is a matter of decades; vastly increasing longevity will come later. Genuine artificial intelligence will arrive later this century. It will take longer for machines to attain self-awareness and become smarter than us, writes the author, but it's inevitable. Ditto for fusion energy, laser-powered rockets and high-tech cures for global warming, but in this case readers may be more skeptical—computer and genetic-engineering marvels seem reasonable because we're used to dazzling progress; other technologies have moved more slowly. Because Kaku is old enough to remember post–World War II forecasts that 2000 would bring interplanetary travel, the conquest of disease, world government and flying cars, he cherry-picks a few home runs from these old prophecies but understandably passes over futurology's dismal success rate.
The author's scientific expertise will engage readers too sophisticated for predictions based on psychic powers or astrology.
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Predicting the Next 100 Years
When I was a child, two experiences helped to shape the person I am today and spawned two passions that have helped to define my entire life.
First, when I was eight years old, I remember all the teachers buzzing with the latest news that a great scientist had just died. That night, the newspapers printed a picture of his office, with an unfinished manuscript on his desk. The caption read that the greatest scientist of our era could not finish his greatest masterpiece. What, I asked myself, could be so difficult that such a great scientist could not finish it? What could possibly be that complicated and that important? To me, eventually this became more fascinating than any murder mystery, more intriguing than any adventure story. I had to know what was in that unfinished manuscript.
Later, I found out that the name of this scientist was Albert Einstein and the unfinished manuscript was to be his crowning achievement, his attempt to create a “theory of everything,” an equation, perhaps no more than one inch wide, that would unlock the secrets of the universe and perhaps allow him to “read the mind of God.”
But the other pivotal experience from my childhood was when I watched the Saturday morning TV shows, especially the Flash Gordon series with Buster Crabbe. Every week, my nose was glued to the TV screen. I was magically transported to a mysterious world of space aliens, starships, ray gun battles, underwater cities, and monsters. I was hooked. This was my first exposure to the world of the future. Ever since, I’ve felt a childlike wonder when pondering the future.
But after watching every episode of the series, I began to realize that although Flash got all the accolades, it was the scientist Dr. Zarkov who actually made the series work. He invented the rocket ship, the invisibility shield, the power source for the city in the sky, etc. Without the scientist, there is no future. The handsome and the beautiful may earn the admiration of society, but all the wondrous inventions of the future are a byproduct of the unsung, anonymous scientists.
Later, when I was in high school, I decided to follow in the footsteps of these great scientists and put some of my learning to the test. I wanted to be part of this great revolution that I knew would change the world. I decided to build an atom smasher. I asked my mother for permission to build a 2.3-million electron volt particle accelerator in the garage. She was a bit startled but gave me the okay. Then, I went to Westinghouse and Varian Associates, got 400 pounds of transformer steel, 22 miles of copper wire, and assembled a betatron accelerator in my mom’s garage.
Previously, I had built a cloud chamber with a powerful magnetic field and photographed tracks of antimatter. But photographing antimatter was not enough. My goal now was to produce a beam of antimatter. The atom smasher’s magnetic coils successfully produced a huge 10,000 gauss magnetic field (about 20,000 times the earth’s magnetic field, which would in principle be enough to rip a hammer right out of your hand). The machine soaked up 6 kilowatts of power, draining all the electricity my house could provide. When I turned on the machine, I frequently blew out all the fuses in the house. (My poor mother must have wondered why she could not have a son who played football instead.)
So two passions have intrigued me my entire life: the desire to understand all the physical laws of the universe in a single coherent theory and the desire to see the future. Eventually, I realized that these two passions were actually complementary. The key to understanding the future is to grasp the fundamental laws of nature and then apply them to the inventions, machines, and therapies that will redefine our civilization far into the future.
There have been, I found out, numerous attempts to predict the future, many useful and insightful. However, they were mainly written by historians, sociologists, science fiction writers, and “futurists,” that is, outsiders who are predicting the world of science without a firsthand knowledge of the science itself. The scientists, the insiders who are actually creating the future in their laboratories, are too busy making breakthroughs to have time to write books about the future for the public.
That is why this book is different. I hope this book will give an insider’s perspective on what miraculous discoveries await us and provide the most authentic, authoritative look into the world of 2100.
Of course, it is impossible to predict the future with complete accuracy. The best one can do, I feel, is to tap into the minds of the scientists at the cutting edge of research, who are doing the yeoman’s work of inventing the future. They are the ones who are creating the devices, inventions, and therapies that will revolutionize civilization. And this book is their story. I have had the opportunity to sit in the front-row seat of this great revolution, having interviewed more than 300 of the world’s top scientists, thinkers, and dreamers for national TV and radio. I have also taken TV crews into their laboratories to film the prototypes of the remarkable devices that will change our future. It has been a rare honor to have hosted numerous science specials for BBCTV, the Discovery Channel, and the Science Channel, profiling the remarkable inventions and discoveries of the visionaries who are daring to create the future. Being free to pursue my work on string theory and to eavesdrop on the cuttingedge research that will revolutionize this century, I feel I have one of the most desirable jobs in science. It is my childhood dream come true.
But this book differs from my previous ones. In books like Beyond Einstein, Hyperspace, and Parallel Worlds, I discussed the fresh, revolutionary winds sweeping through my field, theoretical physics, that are opening up new ways to understand the universe. In Physics of the Impossible, I discussed how the latest discoveries in physics may eventually make possible even the most imaginative schemes of science fiction.
This book most closely resembles my book Visions, in which I discussed how science will evolve in the coming decades. I am gratified that many of the predictions made in that book are being realized today on schedule. The accuracy of my book, to a large degree, has depended on the wisdom and foresight of the many scientists I interviewed for it.
But this book takes a much more expansive view of the future, discussing the technologies that may mature in 100 years, that will ultimately determine the fate of humanity. How we negotiate the challenges and opportunities of the next 100 years will determine the ultimate trajectory of the human race.
PREDICTING THE NEXT CENTURY
Predicting the next few years, let alone a century into the future, is a daunting task. Yet it is one that challenges us to dream about technologies we believe will one day alter the fate of humanity.
In 1863, the great novelist Jules Verne undertook perhaps his most ambitious project. He wrote a prophetic novel, called Paris in the Twentieth Century, in which he applied the full power of his enormous talents to forecast the coming century. Unfortunately, the manuscript was lost in the mist of time, until his greatgrandson accidentally stumbled upon it lying in a safe where it had been carefully locked away for almost 130 years. Realizing what a treasure he had found, he arranged to have it published in 1994, and it became a best seller.
Back in 1863, kings and emperors still ruled ancient empires, with impoverished peasants performing backbreaking work toiling in the fields. The United States was consumed by a ruinous civil war that would almost tear the country apart, and steam power was just beginning to revolutionize the world. But Verne predicted that Paris in 1960 would have glass skyscrapers, air conditioning, TV, elevators, highspeed trains, gasolinepowered automobiles, fax machines, and even something resembling the Internet. With uncanny accuracy, Verne depicted life in modern Paris.
This was not a fluke, because just a few years later he made another spectacular prediction. In 1865, he wrote From the Earth to the Moon, in which he predicted the details of the mission that sent our astronauts to the moon more than 100 years later in 1969. He accurately predicted the size of the space capsule to within a few percent, the location of the launch site in Florida not far from Cape Canaveral, the number of astronauts on the mission, the length of time the voyage would last, the weightlessness that the astronauts would experience, and the final splashdown in the ocean. (The only major mistake was that he used gunpowder, rather than rocket fuel, to take his astronauts to the moon. But liquid-fueled rockets wouldn’t be invented for another seventy years.)
How was Jules Verne able to predict 100 years into the future with such breathtaking accuracy? His biographers have noted that, although Verne was not a scientist himself, he constantly sought out scientists, peppering them with questions about their visions of the future. He amassed a vast archive summarizing the great scientific discoveries of his time. Verne, more than others, realized that science was the engine shaking the foundations of civilization, propelling it into a new century with unexpected marvels and miracles. The key to Verne’s vision and profound insights was his grasp of the power of science to revolutionize society.
Another great prophet of technology was Leonardo da Vinci, painter, thinker, and visionary. In the late 1400s, he drew beautiful, accurate diagrams of machines that would one day fill the skies: sketches of parachutes, helicopters, hang gliders, and even airplanes. Remarkably, many of his inventions would have flown. (His flying machines, however, needed one more ingredient: at least a 1-horsepower motor, something that would not be available for another 400 years.)
What is equally astonishing is that Leonardo sketched the blueprint for a mechanical adding machine, which was perhaps 150 years ahead of its time. In 1967, a misplaced manuscript was reanalyzed, revealing his idea for an adding machine with thirteen digital wheels. If one turned a crank, the gears inside turned in sequence performing the arithmetic calculations. (The machine was built in 1968 and it worked.)
In addition, in the 1950s another manuscript was uncovered which contained a sketch for a warrior automaton, wearing GermanItalian armor, that could sit up and move its arms, neck, and jaw. It, too, was subsequently built and found to work.
Like Jules Verne, Leonardo was able to get profound insights into the future by consulting a handful of forwardthinking individuals of his time. He was part of a small circle of people who were at the forefront of innovation. In addition, Leonardo was always experimenting, building, and sketching models, a key attribute of anyone who wants to translate thinking into reality.
Given the enormous, prophetic insights of Verne and Leonardo da Vinci, we ask the question: Is it possible to predict the world of 2100? In the tradition of Verne and Leonardo, this book will closely examine the work of the leading scientists who are building prototypes of the technologies that will change our future. This book is not a work of fiction, a byproduct of the overheated imagination of a Hollywood scriptwriter, but rather is based on the solid science being conducted in major laboratories around the world today.
The prototypes of all these technologies already exist. As William Gibson, the author of Neuromancer who coined the word cyberspace, once said, “The future is already here. It’s just unevenly distributed.”
Predicting the world of 2100 is a daunting task, since we are in an era of profound scientific upheaval, in which the pace of discovery is always accelerating. More scientific knowledge has been accumulated just in the last few decades than in all human history. And by 2100, this scientific knowledge will again have doubled many times over.
But perhaps the best way to grasp the enormity of predicting 100 years into the future is to recall the world of 1900 and remember the lives our grandparents lived.
Journalist Mark Sullivan asks us to imagine someone reading a newspaper in the year 1900:
In his newspapers of January 1, 1900, the American found no such word as radio, for that was yet twenty years in from coming; nor “movie,” for that too was still mainly of the future; nor chauffeur, for the automobile was only just emerging and had been called “horseless carriage. . . .” There was no such word as aviator. . . . Farmers had not heard of tractors, nor bankers of the Federal Reserve System. Merchants had not heard of chainstores nor “selfservice”; nor seamen of oilburning engines. . . . Oxteams could still be seen on country roads. . . . Horses or mules for trucks were practically universal. . . . The blacksmith beneath the spreading chestnuttree was a reality.
To understand the difficulty of predicting the next 100 years, we have to appreciate the difficulty that the people of 1900 had in predicting the world of 2000. In 1893, as part of the World’s Columbian Exposition in Chicago, seventyfour wellknown individuals were asked to predict what life would be like in the next 100 years. The one problem was that they consistently underestimated the rate of progress of science. For example, many correctly predicted that we would one day have commercial transatlantic airships, but they thought that they would be balloons. Senator John J. Ingalls said, “It will be as common for the citizen to call for his dirigible balloon as it now is for his buggy or his boots.” They also consistently missed the coming of the automobile. Postmaster General John Wanamaker stated that the U.S. mail would be delivered by stagecoach and horseback, even 100 years into the future.
This underestimation of science and innovation even extended to the patent office. In 1899, Charles H. Duell, commissioner of the U.S. Office of Patents, said, “Everything that can be invented has been invented.”
Sometimes experts in their own field underestimated what was happening right beneath their noses. In 1927, Harry M. Warner, one of the founders of Warner Brothers, remarked during the era of silent movies, “Who the hell wants to hear actors talk?”
And Thomas Watson, chairman of IBM, said in 1943, “I think there is a world market for maybe five computers.”
This underestimation of the power of scientific discovery even extended to the venerable New York Times. (In 1903, the Times declared that flying machines were a waste of time, just a week before the Wright brothers successfully flew their airplane at Kitty Hawk, North Carolina. In 1920, the Times criticized rocket scientist Robert Goddard, declaring his work nonsense because rockets cannot move in a vacuum. Fortynine years later, when Apollo 11 astronauts landed on the moon, the Times, to its credit, ran the retraction: “It is now definitely established that a rocket can function in a vacuum. The Times regrets the error.”)
The lesson here is that it is very dangerous to bet against the future.
Predictions for the future, with a few exceptions, have always underestimated the pace of technological progress. History, we are told over and over again, is written by the optimists, not the pessimists. As President Dwight Eisenhower once said, “Pessimism never won a war.”
We can even see how science fiction writers underestimated the pace of scientific discovery. When watching reruns of the old 1960s TV series Star Trek, you notice that much of this “twentythirdcentury technology” is already here. Back then, TV audiences were startled to see mobile phones, portable computers, machines that could talk, and typewriters that could take dictation. Yet all these technologies exist today. Soon, we will also have versions of the universal translator, which can rapidly translate between languages as you speak, and also “tricorders,” which can diagnose disease from a distance. (Excepting warp drive engines and transporters, much of this twentythirdcentury science is already here.)
Given the glaring mistakes people have made in underestimating the future, how can we begin to provide a firmer scientific basis to our predictions?
UNDERSTANDING THE LAWS OF NATURE
Today, we are no longer living in the dark ages of science, when lightning bolts and plagues were thought to be the work of the gods. We have a great advantage that Verne and Leonardo da Vinci did not have: a solid understanding of the laws of nature.
Predictions will always be flawed, but one way to make them as authoritative as possible is to grasp the four fundamental forces in nature that drive the entire universe. Each time one of them was understood and described, it changed human history.
The first force to be explained was the force of gravity. Isaac Newton gave us a mechanics that could explain that objects moved via forces, rather than mystical spirits and metaphysics. This helped to pave the way for the Industrial Revolution and the introduction of steam power, especially the locomotive.
The second force to be understood was the electromagnetic force, which lights up our cities and powers our appliances. When Thomas Edison, Michael Faraday, James Clerk Maxwell, and others helped to explain electricity and magnetism, this unleashed the electronic revolution that has created a bounty of scientific wonders. We see this every time there is a power blackout, when society is suddenly wrenched back 100 years into the past.
The third and fourth forces to be understood were the two nuclear forces: the weak and strong forces. When Einstein wrote down E = mc2 and when the atom was split in the 1930s, scientists for the first time began to understand the forces that light up the heavens. This revealed the secret behind the stars. Not only did this unleash the awesome power of atomic weapons, it also held out the promise that one day we would be able to harness this power on the earth.
Today, we have a fairly good grasp of these four forces. The first force, gravity, is now described through Einstein’s theory of general relativity. And the other three forces are described through the quantum theory, which allows us to decode the secrets of the subatomic world.
The quantum theory, in turn, has given us the transistor, the laser, and the digital revolution that is the driving force behind modern society. Similarly, scientists were able to use the quantum theory to unlock the secret of the DNA molecule. The blinding speed of the biotechnological revolution is a direct result of computer technology, since DNA sequencing is all done by machines, robots, and computers.
As a consequence, we are better able to see the direction that science and technology will take in the coming century. There will always be totally unexpected, novel surprises that leave us speechless, but the foundation of modern physics, chemistry, and biology has largely been laid, and we do not expect any major revision of this basic knowledge, at least in the foreseeable future. As a result, the predictions we make in this book are the product not of wild speculation but are reasoned estimates of when the prototype technologies of today will finally reach maturity.
In conclusion, there are several reasons to believe that we can view the outlines of the world of 2100:
1. This book is based on interviews with more than 300 top scientists, those in the forefront of discovery.
2. Every scientific development mentioned in this book is consistent with the known laws of physics.
3. The four forces and the fundamental laws of nature are largely known; we do not expect any major new changes in these laws.
4. Prototypes of all technologies mentioned in this book already exist.
5. This book is written by an “insider” who has a firsthand look at the technologies that are on the cutting edge of research.
For countless eons we were passive observers of the dance of nature. We only gazed in wonder and fear at comets, lightning bolts, volcanic eruptions, and plagues, assuming that they were beyond our comprehension. To the ancients, the forces of nature were an eternal mystery to be feared and worshipped, so they created the gods of mythology to make sense of the world around them. The ancients hoped that by praying to these gods they would show mercy and grant them their dearest wishes.
Today, we have become choreographers of the dance of nature, able to tweak the laws of nature here and there. But by 2100, we will make the transition to being masters of nature.
2100: BECOMING THE GODS OF MYTHOLOGY
Today, if we could somehow visit our ancient ancestors and show them the bounty of modern science and technology, we would be viewed as magicians. With the wizardry of science, we could show them jet planes that can soar in the clouds, rockets that can explore the moon and planets, MRI scanners that can peer inside the living body, and cell phones that can put us in touch with anyone on the planet. If we showed them laptop computers that can send moving images and messages instantly across the continents, they would view this as sorcery.
But this is just the beginning. Science is not static. Science is exploding exponentially all around us. If you count the number of scientific articles being published, you will find that the sheer volume of science doubles every decade or so. Innovation and discovery are changing the entire economic, political, and social landscape, overturning all the old cherished beliefs and prejudices.
Now dare to imagine the world in the year 2100.
By 2100, our destiny is to become like the gods we once worshipped and feared. But our tools will not be magic wands and potions but the science of computers, nanotechnology, artificial intelligence, biotechnology, and most of all, the quantum theory, which is the foundation of the previous technologies.
By 2100, like the gods of mythology, we will be able to manipulate objects with the power of our minds. Computers, silently reading our thoughts, will be able to carry out our wishes. We will be able to move objects by thought alone, a telekinetic power usually reserved only for the gods. With the power of biotechnology, we will create perfect bodies and extend our life spans. We will also be able to create lifeforms that have never walked the surface of the earth. With the power of nanotechnology, we will be able to take an object and turn it into something else, to create something seemingly almost out of nothing. We will ride not in fiery chariots but in sleek vehicles that will soar by themselves with almost no fuel, floating effortlessly in the air. With our engines, we will be able to harness the limitless energy of the stars. We will also be on the threshold of sending star ships to explore those nearby.
Although this godlike power seems unimaginably advanced, the seeds of all these technologies are being planted even as we speak. It is modern science, not chanting and incantations, that will give us this power.
I am a quantum physicist. Every day, I grapple with the equations that govern the subatomic particles out of which the universe is created. The world I live in is the universe of eleven-dimensional hyperspace, black holes, and gateways to the multiverse. But the equations of the quantum theory, used to describe exploding stars and the big bang, can also be used to decipher the outlines of our future.
But where is all this technological change leading? Where is the final destination in this long voyage into science and technology?
The culmination of all these upheavals is the formation of a planetary civilization, what physicists call a Type I civilization. This transition is perhaps the greatest transition in history, marking a sharp departure from all civilizations of the past. Every headline that dominates the news reflects, in some way, the birth pangs of this planetary civilization. Commerce, trade, culture, language, entertainment, leisure activities, and even war are all being revolutionized by the emergence of this planetary civilization. Calculating the energy output of the planet, we can estimate that we will attain Type I status within 100 years. Unless we succumb to the forces of chaos and folly, the transition to a planetary civilization is inevitable, the end product of the enormous, inexorable forces of history and technology beyond anyone’s control.
WHY PREDICTIONS SOMETIMES DON'T COME TRUE
But several predictions made about the information age were spectacularly untrue. For example, many futurists predicted the “paperless office,” that is, that the computer would make paper obsolete. Actually, the opposite has occurred. A glance at any office shows you that the amount of paper is actually greater than ever.
Some also envisioned the “peopleless city.” Futurists predicted that teleconferencing via the Internet would make facetoface business meetings unnecessary, so there would be no need to commute. In fact, the cities themselves would largely empty out, becoming ghost towns, as people worked in their homes rather than their offices.
Likewise, we would see the rise of “cybertourists,” couch potatoes who would spend the entire day lounging on their sofas, roaming the world and watching the sights via the Internet on their computers. We would also see “cybershoppers,” who would let their computer mice do the walking. Shopping malls would go bankrupt. And “cyberstudents” would take all their classes online while secretly playing video games and drinking beer. Universities would close for lack of interest.
Or consider the fate of the “picture phone.” During the 1964 World’s Fair, AT&T spent about $100 million perfecting a TV screen that would connect to the telephone system, so that you could see the person whom you were talking to, and vice versa. The idea never took off; AT&T sold only about 100 of them, making each unit cost about $1 million each. This was a very expensive fiasco.
And finally, it was thought that the demise of traditional media and entertainment was imminent. Some futurists claimed that the Internet was the juggernaut that would swallow live theater, the movies, radio, and TV, all of which would soon be seen only in museums.
Actually, the reverse has happened. Traffic jams are worse than ever—a permanent feature of urban life. People flock to foreign sites in record numbers, making tourism one of the fastest-growing industries on the planet. Shoppers flood the stores, in spite of economic hard times. Instead of proliferating cyberclassrooms, universities are still registering record numbers of students. To be sure, there are more people deciding to work from their homes or teleconference with their coworkers, but cities have not emptied at all. Instead, they have morphed into sprawling megacities. Today, it is easy to carry on video conversations on the Internet, but most people tend to be reluctant to be filmed, preferring facetoface meetings. And of course, the Internet has changed the entire media landscape, as media giants puzzle over how to earn revenue on the Internet. But it is not even close to wiping out TV, radio, and live theater. The lights of Broadway still glow as brightly as before.
CAVE MAN PRINCIPLE
Why did these predictions fail to materialize? I conjecture that people largely rejected these advances because of what I call the Cave Man (or Cave Woman) Principle. Genetic and fossil evidence indicates that modern humans, who looked just like us, emerged from Africa more than 100,000 years ago, but we see no evidence that our brains and personalities have changed much since then. If you took someone from that period, he would be anatomically identical to us: if you gave him a bath and a shave, put him in a threepiece suit, and then placed him on Wall Street, he would be physically indistinguishable from everyone else. So our wants, dreams, personalities, and desires have probably not changed much in 100,000 years. We probably still think like our caveman ancestors.
The point is: whenever there is a conflict between modern technology and the desires of our primitive ancestors, these primitive desires win each time. That’s the Cave Man Principle. For example, the caveman always demanded “proof of the kill.” It was never enough to boast about the big one that got away. Having the fresh animal in our hands was always preferable to tales of the one that got away. Similarly, we want hard copy whenever we deal with files. We instinctively don’t trust the electrons floating in our computer screen, so we print our emails and reports, even when it’s not necessary. That’s why the paperless office never came to be.
Likewise, our ancestors always liked facetoface encounters. This helped us to bond with others and to read their hidden emotions. This is why the peopleless city never came to pass. For example, a boss might want to carefully size up his employees. It’s difficult to do this online, but facetoface a boss can read body language to gain valuable unconscious information. By watching people up close, we feel a common bond and can also read their subtle body language to find out what thoughts are racing through their heads. This is because our apelike ancestors, many thousands of years before they developed speech, used body language almost exclusively to convey their thoughts and emotions.
This is the reason cybertourism never got off the ground. It’s one thing to see a picture of the Taj Mahal, but it’s another thing to have the bragging rights of actually seeing it in person. Similarly, listening to a CD of your favorite musician is not the same as feeling the sudden rush when actually seeing this musician in a live concert, surrounded by all the fanfare, hoopla, and noise. This means that even though we will be able to download realistic images of our favorite drama or celebrity, there is nothing like actually seeing the drama on stage or seeing the actor perform in person. Fans go to great lengths to get autographed pictures and concert tickets of their favorite celebrity, although they can download a picture from the Internet for free.
This explains why the prediction that the Internet would wipe out TV and radio never came to pass. When the movies and radio first came in, people bewailed the death of live theater. When TV came in, people predicted the demise of the movies and radio. We are living now with a mix of all these media. The lesson is that one medium never annihilates a previous one but coexists with it. It is the mix and relationship among these media that constantly change. Anyone who can accurately predict the mix of these media in the future could become very wealthy.
The reason for this is that our ancient ancestors always wanted to see something for themselves and not rely on hearsay. It was crucial for our survival in the forest to rely on actual physical evidence rather than rumors. Even a century from now, we will still have live theater and still chase celebrities, an ancient heritage of our distant past.
In addition, we are descended from predators who hunted. Hence, we love to watch others and even sit for hours in front of a TV, endlessly watching the antics of our fellow humans, but we instantly get nervous when we feel others watching us. In fact, scientists have calculated that we get nervous if we are stared at by a stranger for about four seconds. After about ten seconds, we even get irate and hostile at being stared at. This is the reason why the original picture phone was such a flop. Also, who wants to have to comb one’s hair before going online? (Today, after decades of slow, painful improvement, video conferencing is finally catching on.)
And today, it is possible to take courses online. But universities are bulging with students. The onetoone encounter with professors, who can give individual attention and answer personal questions, is still preferable to online courses. And a university degree still carries more weight than an online diploma when applying for a job.
So there is a continual competition between High Tech and High Touch, that is, sitting in a chair watching TV versus reaching out and touching things around us. In this competition, we will want both. That is why we still have live theater, rock concerts, paper, and tourism in the age of cyberspace and virtual reality. But if we are offered a free picture of our favorite celebrity musician or actual tickets to his concert, we will take the tickets, hands down.
So that is the Cave Man Principle: we prefer to have both, but if given a choice we will chose High Touch, like our cavemen ancestors.
But there is also a corollary to this principle. When scientists first created the Internet back in the 1960s, it was widely believed that it would evolve into a forum for education, science, and progress. Instead, many were horrified that it soon degenerated into the noholdsbarred Wild West that it is today. Actually, this is to be expected. The corollary to the Cave Man Principle is that if you want to predict the social interactions of humans in the future, simply imagine our social interactions 100,000 years ago and multiply by a billion. This means that there will be a premium placed on gossip, social networking, and entertainment. Rumors were essential in a tribe to rapidly communicate information, especially about the leaders and role models. Those who were out of the loop often did not survive to pass on their genes. Today, we can see this played out in grocery checkout stands, which have walltowall celebrity gossip magazines, and in the rise of a celebritydriven culture. The only difference today is that the magnitude of this tribal gossip has been multiplied enormously by mass media and can now circle the earth many times over within a fraction of a second.
The sudden proliferation of social networking Web sites, which turned young, babyfaced entrepreneurs into billionaires almost overnight, caught many analysts off guard, but it is also an example of this principle. In our evolutionary history, those who maintained large social networks could rely on them for resources, advice, and help that were vital for -survival.
And last, entertainment will continue to grow explosively. We sometimes don’t like to admit it, but a dominant part of our culture is based on entertainment. After the hunt, our ancestors relaxed and entertained themselves. This was important not only for bonding but also for establishing one’s position within the tribe. It is no accident that dancing and singing, which are essential parts of entertainment, are also vital in the animal kingdom to demonstrate fitness to the opposite sex. When male birds sing beautiful, complex melodies or engage in bizarre mating rituals, it is mainly to show the opposite sex that they are healthy, physically fit, free of parasites, and have genes worthy enough to be passed down.
And the creation of art was not only for enjoyment but also played an important part in the evolution of our brain, which handles most information symbolically.
So unless we genetically change our basic personality, we can expect that the power of entertainment, tabloid gossip, and social networking will increase, not decrease, in the future.
SCIENCE AS A SWORD
I once saw a movie that forever changed my attitude toward the future. It was called Forbidden Planet, based on Shakespeare’s The Tempest. In the movie astronauts encounter an ancient civilization that, in its glory, was millions of years ahead of us. They had attained the ultimate goal of their technology: infinite power without instrumentality, that is, the power to do almost anything via their minds. Their thoughts tapped into colossal thermonuclear power plants, buried deep inside their planet, that converted their every desire into reality. In other words, they had the power of the gods.
We will have a similar power, but we will not have to wait millions of years. We will have to wait only a century, and we can see the seeds of this future even in today’s technology. But the movie was also a morality tale, since this divine power eventually overwhelmed this civilization.
Of course, science is a doubleedged sword; it creates as many problems as it solves, but always on a higher level. There are two competing trends in the world today: one is to create a planetary civilization that is tolerant, scientific, and prosperous, but the other glorifies anarchy and ignorance that could rip the fabric of our society. We still have the same sectarian, fundamentalist, irrational passions of our ancestors, but the difference is that now we have nuclear, chemical, and biological weapons.
In the future, we will make the transition from being passive observers of the dance of nature, to being the choreographers of nature, to being masters of nature, and finally to being conservators of nature. So let us hope that we can wield the sword of science with wisdom and equanimity, taming the barbarism of our ancient past.
Let us now embark upon a hypothetical journey through the next 100 years of scientific innovation and discovery, as told to me by the scientists who are making it happen. It will be a wild ride through the rapid advances in computers, telecommunications, biotechnology, artificial intelligence, and nanotechnology. It will undoubtedly change nothing less than the future of civilization.
What People are Saying About This
“A whirlwind tour of technological possibility.” —New Scientist
“Mak[es] the exponential character of technological progress stick in the reader’s head, so that they come to look at the world differently.” —The Sunday Telegraph (London)
“[Physics of the Future] has the ability to surprise and enthrall and frighten.” —The New York Times
“[Kaku] has the rare ability to take complicated scientific theories and turn them into readable tales about what our lives will be like in the future. . . . Fascinating. And just a little bit spooky.” —USA Today
“Mind-bending. . . . [An] alternately fascinating and frightening book.” —San Francisco Chronicle
“Kaku is a tireless science popularizer. . . . [He gets] the juices of future physicists flowing.” —Los Angeles Times
“[Kaku] has a knack for making complex ideas entertaining.” —The Charlotte Observer
“Erudite [and] compelling.” —Chicago Tribune
"One cannot help but feel buoyed that the miraculous world the author presents may really be less than a hundred years hence." Louisville Courier-Journal
Meet the Author
MICHIO KAKU is a professor of physics at the CUNY Graduate Center, cofounder of string field theory, and the author of several widely acclaimed science books, including Physics of the Impossible, also the basis for his Science Channel show and two radio programs, Explorations and Science Fantastic.
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I enjoyed this book by Michio Kaku. I have several of his others and have always found them beneficial to expanding my understanding. As with the other books, the writing style is very smooth and flows great. Kaku has a real knack for explaining the complex to the average Joe and I greatly appreciate that. I also liked the way he divided the various topics into short term, mid-term and long range thinking. This slice and dice approach made the book read much better than if he had tried to shoehorn all three time frames into a single heading. As a critique, there were 3 things I was frustrated with. Frustrated is the wrong word. Minor annoyance is better: 1. There was no mention of LENR (Low Energy Nuclear Reaction). This field is really beginning to gain ground in the past year. Oh sure, there are snake oil salesman out there but there is also some serious work being produced. Regarding the world’s energy problems, this would be the greatest gift to mankind since the printing press. I would love to have heard his take on this fledging field. 2. I was disappointed to not see Jack Horner an American paleontologist mentioned in the section explaining the potential to recreate ancient animals including the dinosaur. As most people that even have a casual interest in science knows Horner is currently engaged in reverse engineering a chicken through genetic manipulation thereby hoping to create a quasi-dinosaur. 3. In the artificial intelligence section, I was pleased to see the mention of IBM’s big blue but was sorely upset to not read about the strides made by Watson. You know, the Jeopardy Champion. As a final assessment, I believe authors that are trying to reach a mass audience should avoid the overuse controversial figures such as Richard Dawkins. While he may be a fine scientist, he is much better known for his radical atheist activism. This turns a large number of people off. There are many fine cutting edge scientists doing work in evolutionary genetics and it is my personal opinion that Kaku would have served his readers better by picking one of them to interview and include in the tome. With these observations stated, I continue to say I really enjoyed the book and look for to Mr. Kaku’s future work. The world needs bold thinkers If we are to stop killing each other and advance our civilization. I hope you find this review / opinion helpful. Michael L. Gooch, SPHR – Author of Wingtips with Spurs.
This is textbook science 101 in it's simplest form. Michio explains everything from stars, the future , to space travel in detail and upmost simplest terms. I would sign up for his classes but there is a LONG waiting period, so I guess his books will do. Enjoy readers!!
This book is a solid five stars, anyone who enjoys to think about the possibilities of what the future holds in store for mankind will enjoy this book. Not only that but Kaku rights it in such a way that it is easy to understand even if you are completely uneducated.
Read this now and enjoy the ride, or be shocked by the next year or decade. Do not get stuck asking yourself "now why didn't I see this coming." The USA needs to take the future in its hands.
It is a fascinating read. Michio takes a very "cup is half full," view of the future. I share much of his vision and really looked forward to each chapter. But, he draws out each idea. Some of his thoughts are repeated over and over. The book could have been a bit shorter by omitting these repetitions. But don't let that stop you from reading this book. It is very interesting.
Far from his best writing, this book was still entertaining but in the form of light reading. Can't blame the author for this trend he is pursuing as he is only trying to appeal to a broader audience which equals more money in his pocket. I much prefer his earlier works that force one to think a little: recalling concepts from a college modern physics and/or dif-eq course taken many years ago. However, it is Summer and this book is perfect for lounging in a hammock in the shade on a lazy afternoon.
Michio Kaku is the lay reader’s dream – an accomplished scientist who communicates intricate concepts in a way anyone can comprehend. In his book, Kaku offers a deeply researched study of the technologies that will create society’s future. He tackles everything from computer screens on contact lenses to magnetic levitation, artificial intelligence and nanotechnology. To keep his treatise reader-friendly, he brings in examples from Greek mythology, Star Trek and the Terminator movies. At times Kaku seems a bit too optimistic about the gee-whiz direction of the world, which he believes eventually will be free of cancer, car crashes and the ravages of aging. But he does temper some of his predictions: He points out the limits of stem cells and artificial intelligence, and he notes the dangers of global warming. getAbstract recommends his analysis to readers seeking an erudite but easy-to-digest survey of the innovations shaping the future.
A wonderful, easy to read book about what our future will be like. Makes learning fun and interesting.
While reading Stephen Hawkins gives one well-researched, thorough information and purports to be reader-friendly, I'm left to scratch my head at the end of each paragraph; forced to re-read it several times in order to digest the material. On the other hand, Michio Kaku has the rare gift to take that same information and churn it into a book that maintains the reader's interest while not reducing the subject into pablum. The book is not loaded with complex theories and formulae. Rather, it gives a clear insight into the future that will be of interest to just about anyone. This is not a book whose appeal is not limited to the scientifically oriented. At the same time, it is not insultingly written in the manner of a "Dummies" book.
Michio Kaku’s Physics of the Future is an entertaining, fascinating, and utterly interesting read for anyone. It takes the reader into the future using the top notch technology today and the known laws of physics. The book is divided into nine chapters with titles such as future of computers, nanotechnology, and future of space travel. Each chapter is further divided into sections of near future, middle 2040 to 2070, and distant future 2070 to 2100. Kaku uses his vast and diverse experiences in labs, hosting tv shows, speaking with professors, and using the latest technologies. Physics of the Future is a science based book, however, it is not hard to understand or tough to get through. Kaku blends his personal experience, up and coming science, and the laws of physics to make bold predictions for the future. I would highly recommend this book for younger readers interested in physics or people interested in the future. For more advanced readers with a background in physics I'd say this book would be pretty simple compared to Kaku’s other works on hyperspace and black holes. Kaku does well to use metaphor and analogy to explain complex topics, however he does not delve deep into the physics and sciences of the predictions. Overall I’d give this book a four out of five and recommend to anyone who wants to know more about the future of science.
I really like this book, it makes you think and realize how advanced we are. I wiuld reccomend it to anyone ho likes science.
Physics of the Future: How Science Will Shape Human Destiny and Our Daily Lives by the Year 2100 by Michio Kaku is an very enjoyable and convincing view of how our world may look in 100 years. He speaks about many aspects that may change in our society such as: advances in computers, telecommunications, and artificial intelligence to name a few. Overall a very insightful read which should definitely be remembered as we move into a rapidly more technologically advanced era in human history. I would have liked to have heard about the effects that our increasing demand for more advanced technology will have on the environment, but this is a minor annoyance. Overall, a great read that I encourage anyone to take a look at.
Since I am writer of Science Fiction; Kaku’s books turns by Mind into Jell-O. His unique stile of writing, which can be understood by the average person reading his books; puts them in a dream state of mind. They really want to believe what he says will come about. Since I know in my own very old mind that wobbles in an out of reality all the time; these events will happen. They must happen in this troubled world of today. Kaku’s mind aided with his excellent research and analytical ability ripples the wave of reality just like a Robin and a Golden bird flying toward Heaven have rippled our Hearts. They alerted my Soul like Kaku’s books altered my mind. Buy Kaku’s books today.
It was a great read for the most part, well laid out in the way it moved from one topic to the logical next topic. The things we humans are imagining today are incredible. That said, however, as much as I like Dr. Kaku, I found his writing style to be tediously self-absorbed. For example, he writes "When I keynoted a major Microsoft tech conference . . . " as opposed to the more minimalist, less grandiose "While attending a Microsoft tech conference . . . " The fact that he was a keynote speaker at the conference adds nothing to the topic and has no importance other than to Dr. Kaku's ego. I found that annoying.
Best Non-Fiction Book I ever read... Because I read Physics of the Future I can see clearly now. There are things that you might like to know about the past, the present and the future. Read it and take a look at the years 2020, 2050, 2080, and 2100. You will be so amazed that you will hope that you live that long to see this wonderful tomorrow.
Very interesting and insightful book. Offers some optimistic outlooks for the future of humanity, assuming we achieve the status of a Class 1 planetary civilization.