What does one of the world's leading quantum physicists have to say about parallel universes and time travel? In this video, Michio Kaku takes on the topic in his dynamic and engaging style. As he writes in his new book, "Physics of the Impossible," the technologies of science fiction and fantasy - invisibility, teleportation, precognition, star ships, antimatter engines, time travel and more — all regarded as things that are not possible today, might be very possible in the future. Michio Kaku is one of the founders of the String Field Theory, which seeks a "unified theory of everything" in a hyperdimensional meta-universe.
 

"Kaku, a theoretical physicist at the City University of New York, divides his speculations into three classes of impossibilities. In the first class are things we can't do now, but that do not violate known laws (anti- matter engines, invisibility) and that might be attainable within a century. In the second class there are things that may may or may not violate known laws (time machines, hyperspace travel), but that might be realised thousands or millions of years in the future. In the third class are things that do violate known laws (perpetual-motion machines, precognition) and which, if they do become possible, will prove that some of the most fundamental truths of current physics are false."

From a Review in the Times Online: http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/...

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About the Book "Physics of the Impossible" from Random House:

"A fascinating exploration of the science of the impossible—from death rays and force fields to invisibility cloaks—revealing to what extent such technologies might be achievable decades or millennia into the future."

"One hundred years ago, scientists would have said that lasers, televisions, and the atomic bomb were beyond the realm of physical possibility. In Physics of the Impossible, the renowned physicist Michio Kaku explores to what extent the technologies and devices of science fiction that are deemed equally impossible today might well become commonplace in the future."

"From teleportation to telekinesis, Kaku uses the world of science fiction to explore the fundamentals—and the limits—of the laws of physics as we know them today. He ranks the impossible technologies by categories—Class I, II, and III, depending on when they might be achieved, within the next century, millennia, or perhaps never. In a compelling and thought-provoking narrative, he explains:

    * How the science of optics and electromagnetism may one day enable us to bend light around an object, like a stream flowing around a boulder, making the object invisible to observers “downstream”
    * How ramjet rockets, laser sails, antimatter engines, and nanorockets may one day take us to the nearby stars
    * How telepathy and psychokinesis, once considered pseudoscience, may one day be possible using advances in MRI, computers, superconductivity, and nanotechnology
    * Why a time machine is apparently consistent with the known laws of quantum physics, although it would take an unbelievably advanced civilization to actually build one

Kaku uses his discussion of each technology as a jumping-off point to explain the science behind it. An extraordinary scientific adventure, Physics of the Impossible takes readers on an unforgettable, mesmerizing journey into the world of science that both enlightens and entertains."

http://www.randomhouse.com/catalog/display.pperl/9780385520690.html