Michio Kaku tells why aliens are real, how they travel and why it is now, UFO Sighting news.

Michio Kaku, born January 24, 1947) is an American physicist, the Henry Semat Professor of Theoretical Physics in the City College of New York of City University of New York, the co-founder of string field theory, and a “communicator” and “popularizer” of science. He has written several books on physics and related topics, he has made frequent appearances on radio, television, and film, and he writes extensive online blogs and articles.

In Physics of the Impossible, he examines the technologies of invisibility, teleportation, precognition, star ships, antimatter engines, time travel and more—all regarded as things that are not possible today but that might be possible in the future. In this book, he ranks these subjects according to when, if ever, these technologies might become reality. In March 2008, Physics of the Impossible entered the New York Times best-seller list, and stayed on for five weeks.

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