"So what is a force field? In science fiction it's deceptively simple: a thin, invisible yet impenetrable barrier able to deflect lasers and rockets alike. At first glance a force field looks so easy that it's creation as a battlefield shield seems imminent. One expects that any day some enterprising inventor will announce the discovery of a defensive force field. But the truth is far more complicated" (Chapter 1, p. 3).

"With breakthroughs occurring in this field every few months, it's not surprising that some physicists see some sort of practical invisibility shield emerging out of the laboratory perhaps within a few decades" (Chapter 2, p. 27).

"There is one other possibility for simulating a Death Star laser cannon with today's known technology, and that is with hydrogen bomb" (Chapter 3, p. 47).

"The first scientific studies of telepathy and other paranormal phenomenon were conducted by the Society for Psychical Research, founded in London...