Review on "Physics of the Impossible" by Michio Kaku

Topics: General relativity, String theory, Science Pages: 2 (537 words) Published: June 11, 2013
Report on “Physics of the Impossible” by Michio Kaku
The most recent book that I have read is “Physics of the Impossible” written by Michio Kaku. It seems like the author doesn’t know the meaning of the word “impossible”, or rather, to be slightly more accurate, he has redefined the term to enable him realistically to examine and predict the future of science and technologies, from teleportation and time travel to robots and starships. Michio Kaku is an esteemed theoretical physicist and one of the world's leading authorities on string theory (essentially an attempt to discover a "theory of everything" combining all of the known physical forces), and he also specialises in future science, having presented several television programmes on the topic. Kaku is well placed to try to imagine what developments might possibly occur in the fields of science and technology over the coming years, centuries, millennia and aeons. Handily, for those of us not familiar with the process of speculating on the future of physics, he's split his impossibilities into three categories. Class I impossibilities are technologies which are impossible today, but don't violate the known laws of physics. Kaku reckons that these impossibilities – including things such as teleportation and psychokinesis – might be possible in sometime within the next couple of hundred years. Class II impossibilities such as time machines and hyperspace travel are at the very edge of our scientific understanding, and may take millions of years to become possible. And the trickiest of all, Class III impossibilities, are technologies which break the laws of physics as we know them. Surprisingly, there are very few of these, and Kaku only examines two, perpetual motion machines and precognition (seeing into the future). This book takes a serious look at the science behind all the crazy futuristic ideas that have been showing up in science fiction over the years. Indeed, there are so many references to Star Trek...
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