"Nevertheless not only did Wells' continually burning atomic weapons bear no resemblance to the engines of destruction in the real world," Krauss emphasized, "he thought it would unite the world into one society whereas we are painfully aware that it hasn't changed human thinking, except to divide the world into nuclear haves and have-nots."
"Nevertheless it is instructive, and fun, to compare the 'science' of science fiction with that of the real world," said Krauss, who also is the director of the Origins Project at ASU. "Rather than dwelling on things that don't work, it is fun to explore closely related things in the real world that might work."
Krauss discussed a variety of classical science fiction standbys space exploration, faster than light travel, time travel and teleportation. It seems almost tragic that science fiction is full of space travelers, freely and technologically effortlessly fulfilling their manifest destiny in space while we remain stuck on Earth. But the reality of the situation, according to Krauss, is that space travel costs a lot of money and energy, is a very risky endeavor and humans, as "hundred-pound bags of water," are not built for space.
On a more positive vein, Krauss described how exotica live warp drive and time travel are not ruled out by known laws of nature, though from a practical perspective even if possible in principle they are likely to be impossible in practice. While it is not likely that humans will be "beamed" from one place to another, quantum teleportation might revolutionize computing in ways that science fiction has just begun to come to grips with, said Krauss, who has authored more than 300 scientific publications and nine books, including the international bestseller The Physics of Star Trek, a tour of the Star Trek universe and our universe, and Beyond Star Trek, which
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Arizona State University