SCIENCE FICTION SCIENCE OF STAR TREK A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site tractor beam In science fiction, a directed force field of some kind that can pull on material objects at a distance ranging from feet to miles. Popularized by E. E. "Doc" Smith's Lensman novels, its use dates back to SF stories of the 1940s. Tractor beams are also produced by spacecraft in the Star Trek universe. Related categories    • SCIENCE FICTION    • SCIENCE OF STAR TREK Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP