| Device Name | Book/Story | Author | Date | 
  
  
      | T.I.E. Fighter (Tie Fighter) A highly maneuverable fighter spacecraft using an ion drive propulsion system.
 | Star Wars | Lucas | 1976 | 
  
  
      | Tabletop Display A display monitor built into a flat, horizontal table surface.
 | An Adventure in Time | Flagg | 1930 | 
  
  
      | Tacspace An augmented representation of space battles.
 | The Algebraist | Banks | 2004 | 
  
  
      | Tagalong A backpack with legs; a robot that will carry things for you and match your movements.
 | In the Bowl | Varley | 1976 | 
  
  
      | Tag-Along Balloon A bladder-like device that both finds and temporarily fixes leaks in moon tunnels or space station habitats.
 | Gentlemen, Be Seated | Heinlein | 1948 | 
  
  
      | Talisman Device that causes beings nearby to experience truth and peace; works only in the hands of rare adepts.
 | Way Station | Simak | 1963 | 
  
  
      | Talking Bomb A psychological warfare weapon that talks to the enemy.
 | Starship Troopers | Heinlein | 1959 | 
  
  
      | Talking Head A mechanical head (with an analog voice) used as the output terminal for a computer.
 | Neuromancer | Gibson | 1984 | 
  
  
      | Talking Pamphlet An instructional pamphlet that instructs you through ordinary speech.
 | Ellison Wonderland | Ellison | 1974 | 
  
  
      | Talking Robot An impractical robot, for display only.
 | Robbie (Strange Playfellow) | Asimov | 1940 | 
  
  
      | Talking Speedometer A gauge that tells you its value verbally
 | Biddiver | Sturgeon | 1941 | 
  
  
      | Talking Tape Adhesive-backed network connection, global positioning, voice synthesis and speakers.
 | Distraction | Sterling | 1998 | 
  
  
      | Tand A metal sculpture, made in contemplation, which has great meaning for the initiates.
 | The Dragon Masters | Vance | 1962 | 
  
  
      | Tanglefoot Field A force field that would not harm but merely entangle and stop anyone (or anything) caught in it.
 | The Star Beast | Heinlein | 1954 | 
  
  
      | Tangler Strong webbing in a tiny capsule, it expands to a net, capturing a suspect.
 | Logan's Run | Nolan (w/G.C. Johnson) | 1967 | 
  
  
      | Tanks Device that provides mass storage of information.
 | A Logic Named Joe | Leinster | 1946 | 
  
  
      | Tannin-Secretion Pills Artificially darkens skin, for skin protection.
 | Crashlander | Niven | 1994 | 
  
  
      | TANSTAAFL There ain't no such thing as a free lunch.
 | The Moon is a Harsh Mistress | Heinlein | 1966 | 
  
  
      | Taper A device that records details about a visit to a distant planet.
 | Time is the Simplest Thing | Simak | 1961 | 
  
  
      | Tapeworm (Computer Worm) The first description of a set of computer codes that moves from one computer to another on a network as a coherent entity.
 | The Shockwave Rider | Brunner | 1975 | 
  
  
      | Tapeworm Tranquilizer Robotic suppository dispenses tranquilizer.
 | Revolution from Rosinante | Gilliland | 1981 | 
  
  
      | Taprisiot A kind of symbiote, which attuned itself to the user, allowing an expansion of consciousness - telepathic communication anywhere in the galaxy in real time.
 | The Dosadi Experiment | Herbert | 1977 | 
  
  
      | Taprisiot Monitor Bead A small bead to be swallowed that allowed the thoughts of a person to be transmitted and recorded during a specified interval.
 | The Dosadi Experiment | Herbert | 1977 | 
  
  
      | Tasp A device that induces a current in the pleasure center of the brain, at a distance.
 | Ringworld | Niven | 1970 | 
  
  
      | Tattletale A device is attached to a criminal suspect, ensuring that his whereabouts are always known.
 | The Game Players of Titan | Dick | 1963 | 
  
  
      | TBR (Talk Between Robots) Circuit A special means of communications used by robots to speak with each other.
 | The Midas Plague | Pohl | 1954 | 
  
  
      | Teaching Chair No-frills teaching machine.
 | Rammer | Niven | 1991 | 
  
  
      | Teaching Machine A helmet placed on the head focuses illimitable knowledge into even the head of an earth man.
 | The Return of the Murians | Schachner | 1936 | 
  
  
      | Teakettle A standard rocket (uses hydrogen as a booster to leave the atmosphere).
 | Double Star | Heinlein | 1956 | 
  
  
      | TechnoCore A group of artificial intelligences with vast resources and the entirety of human dataspheres to access.
 | Hyperion | Simmons | 1989 | 
  
  
      | Tectogenetic Deliberate manipulation of genes to produce unique species.
 | Crisis in Utopia | Knight | 1940 | 
  
  
      | Teddy A very intelligent and highly mobile robotic teddy bear.
 | Super-Toys Last All Summer Long | Aldiss | 1969 | 
  
  
      | Teddy Bear Robot A special toy bear given to every child in the world.
 | I Always Do What Teddy Says | Harrison | 1965 | 
  
  
      | Teep Rod A device that gathers the thoughts of an individual.
 | Galactic Pot-Healer | Dick | 1969 | 
  
  
      | Telaudiogram An interplanetary communication method.
 | The World With A Thousand Moons | Hamilton | 1942 | 
  
  
      | Telautograph First fictional reference to a fax machine.
 | Ralph 124c 41 + | Gernsback | 1911 | 
  
  
      | Tele-Audiovized Meeting Teleconferencing done right.
 | Exiles of the Moon | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Telebook A book made available in text on a television screen.
 | The Fun They Had | Asimov | 1951 | 
  
  
      | Telechart An interactive metal plate upon which were displayed celestial objects for interstellar navigation.
 | Crashing Suns | Hamilton | 1928 | 
  
  
      | Telechronometer A watch that synchronizes itself to a remote source.
 | Blowups Happen | Heinlein | 1940 | 
  
  
      | Telectroscope A much better telescope than yours.
 | Islands of Space | Campbell | 1931 | 
  
  
      | Teledar Three-dimensional television.
 | The Jester | Tenn | 1951 | 
  
  
      | Telelubricator Makes any surface or substance perfectly frictionless.
 | The Exhalted | de Camp | 1940 | 
  
  
      | Telemedicine Apparatus First reference to a device that allows physicians to examine or aid patients at a distance.
 | The Machine Stops | Forster | 1909 | 
  
  
      | Tele-Motor-Coasters Powered skates for personal transportation.
 | Ralph 124c 41 + | Gernsback | 1911 | 
  
  
      | Teleoperated Beetle Car A remotely-operated robotic vehicle that permitted telepresence.
 | Cities in Flight | Blish | 1957 | 
  
  
      | Teleoperated Lab Robot A robot is used to conduct experiments in an environment too extreme for humans.
 | Cities in Flight | Blish | 1957 | 
  
  
      | Teleoperated Robot Surrogate A robot that is entirely controlled remotely by a person who sees with the point of view of the robot.
 | The Robot and the Lady | Wellman | 1938 | 
  
  
      | Telepadion Instructor A device that places an entire sensory experience directly into the brain.
 | An Adventure on Eros | Haggard | 1931 | 
  
  
      | Telepath Transmitter A device for long distance communication that makes use of telepathy.
 | Agent of Vega | Schmitz | 1949 | 
  
  
      | Telepathic Transmitter (Telep-transmitter) A device using living alien tissue to transmit your thoughts.
 | We Can Remember It For You Wholesale | Dick | 1966 | 
  
  
      | Telephone Funnel A kind of two-way public loudspeaker.
 | The Messiah of the Cylinder | Rousseau | 1917 | 
  
  
      | Telephone Wire Tether A communication line that connects people floating in space beside a spaceship with the ship and with each other.
 | The Shot Into Infinity | Gail | 1929 | 
  
  
      | Telephonic Music Room Places where a person could go, at any time, to share in musical performances happening at some distance away.
 | Looking Backward | Bellamy | 1888 | 
  
  
      | Telephonoscope A device that effectively transmits pictures and sound over long distances.
 | Le Vingtième Siècle (The Twentieth Century) | Robida | 1882 | 
  
  
      | Telephot A device that combined the functions of telephone and television; a phone with a screen.
 | Ralph 124c 41 + | Gernsback | 1911 | 
  
  
      | Telephotography Sending pictures over a distance, displaying them on a vast screen.
 | The Cosmic Cloud | Burgel | 1931 | 
  
  
      | Tele-Photophonic Attachment A device that permits a telephone funnel to see as well as hear.
 | The Messiah of the Cylinder | Rousseau | 1917 | 
  
  
      | Telepomp (Matter Transmission) A device that transmitted matter from one place to another.
 | The Man Without a Body | Mitchell | 1877 | 
  
  
      | Telepresence Bulldozer A bulldozer on the Moon that is operated remotely by a driver on Earth.
 | Oath of Fealty | Pournelle (w/L. Niven) | 1981 | 
  
  
      | Teleprinter A device that printed out a copy of today's newspaper.
 | Four-Day Planet | Piper | 1961 | 
  
  
      | Teleradio Control (Hand Flash) A device that can call a vehicle to a driver; it drives itself in a near-autonomous fashion to the caller.
 | Exiles of the Moon | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Teleray Destruction over great distances.
 | Cosmic Teletype | Jacobi | 1938 | 
  
  
      | Telescreen Very early use of the idea of using technology to monitor human activity at a distance.
 | 1984 (Nineteen Eighty-Four) | Orwell | 1948 | 
  
  
      | Tele-Screen A display screen for live events.
 | After Armageddon | Flagg | 1932 | 
  
  
      | Telescribe Creates a written record of distress signals and other reports.
 | A Question of Salvage | Jameson | 1939 | 
  
  
      | Telesolidograph Projects three-dimensional images at great distances.
 | Gather, Darkness! | Leiber | 1943 | 
  
  
      | Telespectroscope Device for searching for habitable (Earth-like) planets.
 | Cosmic Quest | Hamilton | 1936 | 
  
  
      | Telestereo A disk, upon which the projected image of the distant sender appears.
 | Crashing Suns | Hamilton | 1928 | 
  
  
      | Teleview A device for seeing at a distance.
 | The Phantom Teleview | Olsen | 1929 | 
  
  
      | Television 'Phone A video call.
 | The Sword and the Atopen | Greenfield | 1930 | 
  
  
      | Television Sheet A large, flat screen television set.
 | The Threat of the Robot | Keller | 1929 | 
  
  
      | Televisiophone A device that combines picture with sound for personal communication.
 | Islands of Space | Campbell | 1931 | 
  
  
      | Televisor A viewing screen.
 | The Phantom Teleview | Olsen | 1929 | 
  
  
      | Telucid A holographic projector.
 | If The Sun Died | Starzl | 1931 | 
  
  
      | Temporal Paradox The paradoxical idea that making changes in the past results in changes in the present.
 | The Toy | Berry | 1954 | 
  
  
      | Temporary Quarters Device used to separate a large interior space in an off-planet satellite into various living spaces.
 | Neuromancer | Gibson | 1984 | 
  
  
      | Ten Million Mile Searchlight You need to see where you're going.
 | Revolt on Inferno | Rousseau | 1931 | 
  
  
      | Tensile Memory Polarized Matter The same piece of material can take pre-determined shapes.
 | Babel-17 | Delany | 1966 | 
  
  
      | Tentacle Machines Enormous robots, cylindrical of body, tentacular of arms, autonomous of brain, sinister of intent.
 | The Metal Giants | Hamilton | 1926 | 
  
  
      | Terminator Zone The area between solar illumination and shade.
 | Exiles of the Moon | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Terrafoam Dorm Building Maximum people in minimum space.
 | Manna | Brain | 2002 | 
  
  
      | Terraforming The process of modifying a planetary surface to resemble those of an ideal earth; affects the entire biosphere.
 | Collision Orbit | Williamson | 1942 | 
  
  
      | Terrene Pertaining to the Earth.
 | An Adventure in Futurity | Smith | 1931 | 
  
  
      | Tesseract House A house built in the shape of a four-dimensional figure.
 | -And He Built A Crooked House | Heinlein | 1940 | 
  
  
      | Test Box A remote-controlled device for capturing small objects from open space.
 | The Devil's Pocket | Hardart | 1940 | 
  
  
      | Testing For Human How can you distinguish the artificial from the real?
 | Inhuman Error | Saberhagen | 1974 | 
  
  
      | Tether Space Station A station in two parts, separated by a one hundred mile tether.
 | Tank Farm Dynamo | Brin | 1983 | 
  
  
      | Tetrahedron Interference Projector Projects a field of force around the Solar System, bending the light of stars to make them seem more distant.
 | The Great Illusion | Garth | 1938 | 
  
  
      | The Book of the Machine The only book needed for life in the vast Machine.
 | The Machine Stops | Forster | 1909 | 
  
  
      | The Cosmic Express A means of transmitting matter wirelessly.
 | The Cosmic Express | Williamson | 1930 | 
  
  
      | The Dip A device that randomly dredges up things from the past... or the future.
 | The Meddler | Dick | 1954 | 
  
  
      | The Hub A large space resort consisting of inhabitable bubbles in a metal framework.
 | Worlds of Origin | Vance | 1958 | 
  
  
      | The Krang An enormous musical instrument (or weapon).
 | The Tar-Aiym Krang | Foster | 1972 | 
  
  
      | The Machine A single vast contrivance that supplied all the needs of the world's millions of solitary inhabitants.
 | The Machine Stops | Forster | 1909 | 
  
  
      | The Machine (M) An autonomous robot able to alter its appearance and functionality at will.
 | The Unreconstructed M | Dick | 1957 | 
  
  
      | The Machines A few of these can run a planetary economy.
 | The Evitable Conflict | Asimov | 1950 | 
  
  
      | The Shed Enormous building needed to assemble giant space craft or space stations.
 | Space Tug | Leinster | 1953 | 
  
  
      | The Sleep Use of a special technique to lessen the supplies required for long space voyages.
 | Tani of Ekkis | Reeves | 1930 | 
  
  
      | The Terror An amazing vehicle capable of attaining tremendous speeds - in many different ways.
 | Master of the World | Verne | 1904 | 
  
  
      | The Twonky A robotic device from the future, constructed to look like a 1940's radio cabinet.
 | The Twonky | Padgett | 1942 | 
  
  
      | The Veldt A nursery that comes alive for the viewer.
 | The Illustrated Man | Bradbury | 1951 | 
  
  
      | Theater Seat Indicators Vacant seats are clearly shown.
 | Flamingo: A Drama of A.D. 1950 | Heller | 1930 | 
  
  
      | Thermalarm Relays Detects objects by their heat radiation, so space craft can maneuver around them.
 | Collision Orbit | Williamson | 1942 | 
  
  
      | Thermalite A transparent material that allows almost no heat to escape.
 | Planet of Eternal Night | Campbell | 1939 | 
  
  
      | Thermatite Pure energy fuel mined on asteroids.
 | Jurisdiction | Schachner | 1941 | 
  
  
      | Thermide A chemical which, added to water, boiled and sterilized it instantly.
 | Parasite Planet | Weinbaum | 1935 | 
  
  
      | Thermlectrium An alloy that turns heat directly into electricity.
 | Blindness | Campbell | 1935 | 
  
  
      | Thermodyne Heat Ray Device focuses, and projects, a heat beam.
 | A Brand New World | Cummings | 1942 | 
  
  
      | Thigh Grips Special chair feature for space ships undergoing accelerations.
 | The Power Planet | Leinster | 1931 | 
  
  
      | Thionite A deadly drug.
 | Galactic Patrol | Smith | 1937 | 
  
  
      | Third Eye An output device that uses the skin of the user.
 | Daemon | Suarez | 2006 | 
  
  
      | Thorsen Memory Tube Computer component that allows a machine to learn through experience.
 | The Door Into Summer | Heinlein | 1956 | 
  
  
      | Thought Coil (Machine Intelligence) Specially designed hardware that imparts intelligence to machines.
 | The Revolt of the Machines | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Thought Pattern Divination Attempting to construct the thoughts of a person by imitating their actions.
 | The Houses of Iszm | Vance | 1954 | 
  
  
      | Thought Screen A material screen that is worn by the user, upon which are projected the mental images of the user.
 | The Emperor of the Stars | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Thought Shield A device that removes intrusive thoughts from your mind.
 | Back to 20,000 A.D. | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Thought-receptor Vote-counting Machine That's one way to do a plebiscite.
 | If The Sun Died | Starzl | 1931 | 
  
  
      | Thought-Record Helmet A wearable history book.
 | Menace From Vega | Randall | 1958 | 
  
  
      | Threat Team (of sf writers) Gathering together a group of science fiction writers to try to predict what will happen, or to understand an unknown threat.
 | Footfall | Niven (w/J. Pournelle) | 1985 | 
  
  
      | Three Generation Work (Century Piece) An artwork created by three consecutive generations of artists, in exactly one century.
 | The Sub-Standard Sardines | Vance | 1949 | 
  
  
      | Three Laws of Robotics (Rules of Robotics) The original formulation of Asimov's laws of robotics.
 | Runaround | Asimov | 1942 | 
  
  
      | Thumb Print Phone ID Verifying identity on a phone call with thumb print.
 | The Zap Gun (Project Plowshare) | Dick | 1965 | 
  
  
      | Thumper A short stake with a spring-driven clapper at one end; used to call sandworms.
 | Dune | Herbert | 1965 | 
  
  
      | Tickler Clears smog and saves the residue for later use.
 | Eurema's Dam | Lafferty | 1972 | 
  
  
      | Tiered Internet The idea that some forms of Internet network traffic should be given priority over others.
 | The Shockwave Rider | Brunner | 1975 | 
  
  
      | Tiersian Therapy A therapeutic discipline in which the patient chooses a character from a book and then attempts to be that character.
 | Red Orc's Revenge | Farmer | 1991 | 
  
  
      | Tight-Beam A method of communication that uses a very narrowly-focused stream of energy.
 | Skylark Three | Smith | 1930 | 
  
  
      | Tik-Talker A method of scrambling spoken speech for encoded transmission.
 | The Sign of the Tiger | Nourse (w/Meyer) | 1958 | 
  
  
      | Tik-Tok A mechanical man.
 | Ozma of Oz | Baum | 1907 | 
  
  
      | Time Capsule A hollow block of metal, impervious to the elements, used by time travelers to send messages to the future.
 | Millennium | Varley | 1983 | 
  
  
      | Time Crystals Permits indefinite movement forward in time.
 | Rocketeers at Bay | Heming | 1952 | 
  
  
      | Time Dingbat Nickname for a time machine; used for a kind of WPA-like program for the past.
 | The Computer Connection | Bester | 1974 | 
  
  
      | Time Dredge A device that scoops up material from the past, and returns it to the present.
 | Time Dredge | Arthur | 1942 | 
  
  
      | Time Line Time seen linearly, as a distinguishable series of events.
 | Liners of Time | Fearn | 1935 | 
  
  
      | Time Line The sequence of events leading up to, and past, this moment.
 | Time Wants A Skeleton | Rocklynne | 1941 | 
  
  
      | Time Loop A series of events repeats, the stream crosses over itself.
 | The Time Entity | Binder | 1936 | 
  
  
      | Time Machine A device allowing the rider to move freely in the temporal dimension, just as we ordinarily do in the two physical dimensions normal to gravity.
 | The Time Machine | Wells | 1895 | 
  
  
      | Time Quake Too much energy applied to a time-fault may have started this.
 | Breakfast at Twilight | Dick | 1954 | 
  
  
      | Time Scoop Retrieved objects from other points in time.
 | Paycheck | Dick | 1953 | 
  
  
      | Time Stream The total sequence of events considered as a kind of flow.
 | Time Stream | Taine | 1931 | 
  
  
      | Time Travel Back Pack A handy time machine you can conveniently wear.
 | Tryst in Time | Moore | 1936 | 
  
  
      | Time Tunnel A gateway into the past.
 | Rule 18 | Simak | 1938 | 
  
  
      | Timebroker A person who traded in the commodity of other people's time.
 | Shuteye for the Timebroker | Di Filippo | 2006 | 
  
  
      | Timeout The part of a Skyrene's life that is spent in Warm Sleep  travel between Earth and the destination planet.
 | War Dogs | Bear | 2014 | 
  
  
      | Timepress A device that makes time go more quickly in a limited area.
 | Millennium | Varley | 1983 | 
  
  
      | Timeslip When humans keep time on Mars, they must work with the extra forty minutes in each day.
 | Red Mars | Robinson | 1992 | 
  
  
      | Time-Space Television A device for seeing into the past.
 | Water-Bound World | Vincent | 1932 | 
  
  
      | Time-Telespectroscope. See other time-travelers.
 | The Exile of Time | Cummings | 1931 | 
  
  
      | Time-Warping Construct A device that appears to cause alternate worlds or paraworld.
 | Lies, Inc. | Dick | 1964 | 
  
  
      | Tin Cabby (Flying Robotic Taxi) An autonomously controlled flying taxi cab.
 | Cities in Flight | Blish | 1957 | 
  
  
      | Tin Foil Hat (Metal Foil Caps) A metal device that protects the user from unwanted telepathic intrusions.
 | The Tissue-Culture King | Huxley | 1927 | 
  
  
      | Tiny Atomic-Power Drive Unit A very small power generator that is atomic powered.
 | The Brain Pirates | Campbell | 1938 | 
  
  
      | Tiny Nuclear Generator A complete nuclear-based generator of power no bigger than a walnut.
 | Foundation and Empire | Asimov | 1952 | 
  
  
      | Tiny Robot Planes A swarm of very small independently maneuverable unmanned aerial vehicles.
 | Blood on the Sun | Wells | 1942 | 
  
  
      | Tleilaxu Eyes (Metal Eyes) Tleilaxu eye surgery replaces natural eyeballs damaged or destroyed.
 | Dune Messiah | Herbert | 1969 | 
  
  
      | TMA-1 The Tycho Monolith.
 | 2001: A Space Odyssey | Clarke | 1968 | 
  
  
      | Toaster A handheld beam weapon.
 | Accidental Flight | Wallace | 1952 | 
  
  
      | Todos Santos Independency A city enclosed in a single building.
 | Oath of Fealty | Pournelle (w/L. Niven) | 1981 | 
  
  
      | Toll Door An apartment door that operates on a cash-only basis.
 | Ubik | Dick | 1969 | 
  
  
      | Toner Dead bits of nanomachines.
 | The Diamond Age | Stephenson | 1995 | 
  
  
      | Tongue Mouse A pointing device using input from the tongue.
 | Quantico | Bear | 2007 | 
  
  
      | Tongueprint Verification A device that verifies the unique print of the tongue against a a database for identification purposes.
 | Fleet of Worlds | Niven (w/E.M. Lerner) | 2007 | 
  
  
      | Toothbud Transplant Implanted teeth that mimic the dentition of other species.
 | Neuromancer | Gibson | 1984 | 
  
  
      | Toposcope A special helmet used in a form of sleep teaching.
 | Cities in Flight | Blish | 1957 | 
  
  
      | Torch The orifice from which issued the reaction mass of an atomic powered space craft.
 | Farmer in the Sky | Heinlein | 1950 | 
  
  
      | Torchship A spaceship capable of high acceleration.
 | Sky Lift | Heinlein | 1953 | 
  
  
      | Torpoon Clever portmanteau of "torpedo" and "harpoon", an underwater whaling craft.
 | Seed of the Arctic Ice | Winter | 1932 | 
  
  
      | Total Environmental and Mental Simulator An AI that could create and discard whole branches of science in pursuing the answer to a problem.
 | Crown of Infinity | Faucette | 1968 | 
  
  
      | Touch Tablet Another name for a wireless Tablet PC.
 | Darwin's Children | Bear | 2003 | 
  
  
      | Tourist Rocket A cheap, unpleasant way to do space travel.
 | The Space Merchants | Pohl (w/CM Kornbluth) | 1952 | 
  
  
      | Towel A simple scrap of cloth with surprisingly many uses.
 | The Hitchhiker's Guide to the Galaxy | Adams | 1979 | 
  
  
      | Tower of Glass An enormous glass tower built to communicate outside the solar system.
 | Tower of Glass | Silverberg | 1970 | 
  
  
      | Town In One Building This is the basic idea behind an arcology, or other single structure that is intended to provide living space and mall.
 | When the Sleeper Wakes | Wells | 1899 | 
  
  
      | Toy Testing Dummy A child-sized device used to test suspect toys.
 | War Game | Dick | 1959 | 
  
  
      | Trace Web A small, handheld device that contacts (and even instantiates) the larger network.
 | Souvenir | Dick | 1954 | 
  
  
      | Tracer-Bird A prototype surveillance drone; a mechanical bird.
 | Changeling | Zelazny | 1980 | 
  
  
      | Tracing Glasses Locate criminals by using glasses to pick up signals from special transmitters.
 | Case Closed (Detective Conan) | Aoyama | 1994 | 
  
  
      | Tracked Vehicle A heavily armored vehicle, typical of those in use, with a remarkable agility.
 | The Dosadi Experiment | Herbert | 1977 | 
  
  
      | Tracking Bracelet A security device armed with explosives.
 | Shadowspeer | Clayton | 1990 | 
  
  
      | Tractatruck Combination tractor and truck used for hauling and exploration.
 | The Moon is Hell | Campbell | 1950 | 
  
  
      | Traction City Cities re-engineered as enormous, lumbering machines.
 | Mortal Engines | Reeve | 2003 | 
  
  
      | Traction City Gut The area of a Traction City used for taking apart and consuming captured prey cities.
 | Mortal Engines | Reeve | 2003 | 
  
  
      | Tractor Beam A force field used to pull objects.
 | Spacehounds of IPC | Smith | 1931 | 
  
  
      | Tractor Boots Space suit footgear that has atom-driven caterpillar treads.
 | Magician of Dream Valley | Gallun | 1938 | 
  
  
      | Traffic Control Camera An automated camera system that photographs license plates as cars move past on a road system.
 | Methuselah's Children | Heinlein | 1941 | 
  
  
      | Traffic Lane Discharger A device that electrically shocked vehicles whose drivers attempted to evade traffic control devices.
 | Sagramanda | Foster | 2006 | 
  
  
      | Trajectory Ship A spaceship that takes the minimum energy route to another planet, with the passengers weightless.
 | Logic of Empire | Heinlein | 1941 | 
  
  
      | Tramline The line along which hyperspace (instantaneous travel) travel is possible.
 | The Mote in God's Eye | Niven (w/J. Pournelle) | 1974 | 
  
  
      | Tranquilizing Gum Chewing gum with a tranquilizing agent.
 | Ubik | Dick | 1969 | 
  
  
      | Transcriber A automated transcriptionist - a machine which perfectly translates human speech into words on paper.
 | Second Foundation | Asimov | 1953 | 
  
  
      | Transdermal Drug Capsule A drug capsule that delivers medication by being placed on the skin.
 | Vulcan's Hammer | Dick | 1956 | 
  
  
      | Transdress A transparent dress upon which thousands of patterns may be projected.
 | The California Voodoo Game | Niven (w/S. Barnes) | 1992 | 
  
  
      | Transfer Cable Move between two ships in space.
 | Dead Star Station | Williamson | 1933 | 
  
  
      | Transfer Refuge A portable environment chamber, able to support unique and different lifeforms.
 | Hotel Cosmos | Gallun | 1938 | 
  
  
      | Transfer Tube Between Ships A means of going between ships in space without needing space suits.
 | Electronic Siege | Campbell | 1932 | 
  
  
      | Transkin A hooded protective suit worn on Venus.
 | Parasite Planet | Weinbaum | 1935 | 
  
  
      | Translation Program A computer program that translates speech from one language to another, in real time, to aid in conversation.
 | Deep Eddy | Sterling | 1993 | 
  
  
      | Translatophone A device that performs mechanical translation of one language into another.
 | My Translatophone | Stockton | 1901 | 
  
  
      | Translator Discs Wearable devices that wirelessly connected to a speech translation computer.
 | Ringworld | Niven | 1970 | 
  
  
      | Transmat A teleportation device.
 | Tower of Glass | Silverberg | 1970 | 
  
  
      | Transmit Camera A camera that both takes pictures and uploads it directly to a news station.
 | Four-Day Planet | Piper | 1961 | 
  
  
      | Transmit-Paper Paper form with a built-in capability to transmit the information written with a stylus to a remote computer network.
 | The Godmakers | Herbert | 1972 | 
  
  
      | Transmitter Eyes Closed circuit cameras that provided sight and sound to remote viewers of the Courtarena who wish to remain anonymous.
 | The Dosadi Experiment | Herbert | 1977 | 
  
  
      | Transo Teleportation of objects and personnel, used as the basis for "Trading Post" stores across the planet.
 | Time is the Simplest Thing | Simak | 1961 | 
  
  
      | Trans-Oceanic Rocket Also, a rocket-plane.
 | The Worlds of If | Weinbaum | 1935 | 
  
  
      | Trans-Oceanic Rocket Ship Rocket-propelled airplanes making short work of long trips on Earth.
 | Berlin to New York in One Hour | Valier | 1930 | 
  
  
      | Transparent Aluminum Invisible light steel.
 | The Space Hermit | Newton | 1929 | 
  
  
      | Transparent Car Roof You can see through the roof of the car.
 | Sinister Barrier | Russell | 1939 | 
  
  
      | Transparent Dome Helmet A spacesuit helmet that can be seen through.
 | The Man from the Atom | Wertenbaker | 1926 | 
  
  
      | Transparent Flat Panel Display A fifty-inch flat panel display that is (or can be) transparent.
 | The Shape of Things To Come | Wells | 1936 | 
  
  
      | Transparent Overalls Perfect for prisoners, because nothing can be concealed.
 | The Stainless Steel Rat's Revenge | Harrison | 1970 | 
  
  
      | Transparent Platisplasm Cage A replacement framework for a body joint - in this case, the shoulder.
 | Babel-17 | Delany | 1966 | 
  
  
      | Transparent Spherical Ship A huge sphere of quartz housing a platform for space use.
 | The Emperor of the Stars | Schachner (w. AL Zagat) | 1931 | 
  
  
      | Transparent, Frictionless Coating An absolutely frictionless, impenetrable coating.
 | Way Station | Simak | 1963 | 
  
  
      | Transport Walkers Multilegged transport vehicles big enough to carry one person.
 | A Little Further Up The Fox... | Ewing | 1987 | 
  
  
      | Trans-Space Transmission A curious method of communication between worlds.
 | The Moon Moth | Vance | 1976 | 
  
  
      | Trantor A city that covers the entire surface of the planet.
 | Foundation | Asimov | 1951 | 
  
  
      | Travel-Rug A rug that conveyed you around your house.
 | Roll Out The Rolov! | Anvil | 1953 | 
  
  
      | Treatment of Extramundane Aborigines Laws for aliens on their own planet.
 | Symbiotica | Russell | 1943 | 
  
  
      | Tree-Grown Wood The natural product, obtained by cutting down a living tree.
 | Gravy Planet | Pohl (w/CM Kornbluth) | 1952 | 
  
  
      | Treeship A single, enormous tree grown as a spacecraft.
 | Hyperion | Simmons | 1989 | 
  
  
      | Tri-D A remarkable pesticide.
 | The Morning of the Day They Did It | White | 1950 | 
  
  
      | Trimagniscope A device that produced a usable cross-sectional image of any part of an object.
 | Inherit the Stars | Hogan | 1977 | 
  
  
      | Trion Library An early visualization of the Internet.
 | The Magellanic Cloud | Lem | 1955 | 
  
  
      | Trip to Mars A voyage across space to the planet Mars.
 | Across the Zodiac | Greg | 1880 | 
  
  
      | Trip-Box A teleportation device.
 | Eye of Cat | Zelazny | 1982 | 
  
  
      | Triple Airlock Special device to protect against extremely corrosive atmospheres.
 | Uller Uprising | Piper | 1952 | 
  
  
      | Tripod An enormous metallic robot.
 | The War of the Worlds | Wells | 1898 | 
  
  
      | Tri-Type Record A printed card that stores information about a person, including a perfect three-dimensional representation.
 | The Houses of Iszm | Vance | 1954 | 
  
  
      | Trode-Net 
 | Mona Lisa Overdrive | Gibson | 1988 | 
  
  
      | Trolling Tether Cable Simple fishing technique applied to moving cargo off-planet.
 | Atom Drive | Fontenay | 1956 | 
  
  
      | True-Vu Lenses (Goggles) Lenses that are worn as goggles, allowing the user to both see and record what is being viewed.
 | Earth | Brin | 1990 | 
  
  
      | Truffle Skins Genetically unique skins are the common currency; their special genetic makeup makes forgery impossible.
 | The Three Stigmata of Palmer Eldritch | Dick | 1965 | 
  
  
      | Tru-Mem Systems Organic process of recalling personal events.
 | We Can Remember It For You Wholesale | Dick | 1966 | 
  
  
      | Trumpaphone A loud, brassy instrument.
 | The Voyage That Lasted 600 Years | Wilcox | 1940 | 
  
  
      | Trumps Magical Tarot cards that permitted both communication and transportation.
 | Nine Princes in Amber | Zelazny | 1970 | 
  
  
      | Truth Meter A lie detector.
 | The Star Beast | Heinlein | 1954 | 
  
  
      | Tube Rack A hotel consisting of a set of stacked tube-like living spaces.
 | Solstice | Kelly | 1985 | 
  
  
      | Tubecar A pneumatic tube that carries people.
 | The Faceless Men | Zagat | 1948 | 
  
  
      | Tubular Field of Force Can pull an object through space.
 | The Cometeers | Williamson | 1936 | 
  
  
      | Tubular Space-Gangway A means of traversing the short distance between two ships in space.
 | The Star-Roamers | Hamilton | 1933 | 
  
  
      | Tug A small space vehicle, used to provide a push or pull to objects floating in space without propulsion systems.
 | Neuromancer | Gibson | 1984 | 
  
  
      | Tumblebug A monocycle; a motorcycle that balances on a single wheel.
 | The Roads Must Roll | Heinlein | 1940 | 
  
  
      | Tuned-Laser Decontamination Process to destroy foreign biomolecules within the body.
 | Hybrids (Neanderthal Parallax) | Sawyer | 2003 | 
  
  
      | Tune-Maker Automated music production.
 | The World Jones Made | Dick | 1956 | 
  
  
      | Turnover The point in a torchship's trajectory when it must flip over and point its fiery tail toward its destination to decelerate.
 | Off the Beam | Smith | 1944 | 
  
  
      | TW-55 Spy Conscious control of facial characteristics.
 | Babel-17 | Delany | 1966 | 
  
  
      | Twilight Belt The narrow zone of livable territory on a tidally-locked planet.
 | The Mystery of the Twilight Belt | Lintott | 1934 | 
  
  
      | Twing Used in the hold of spaceships to keep articles all together, and to prevent them from floating around in free fall, or falling during periods of acceleration.
 | Protector | Niven | 1973 | 
  
  
      | Twist-Box A device that scrambles your sensory input, providing you with a different kind of experience.
 | Wetware | Rucker | 1988 | 
  
  
      | Twonky A futuristic artifact left by time travelers in the past which, if discovered, could cause a paradox.
 | Millennium | Varley | 1983 | 
  
  
      | Two-Wheeled Car A small passenger vehicle with two centerline wheels.
 | The Roads Must Roll | Heinlein | 1940 | 
  
  
      | Two-Wheeled Ground Car A gyro-stabilized vehicle like an enclosed motorcycle.
 | First Lensman | Smith | 1950 |