Technology in The Hitchhiker's Guide to the Galaxy
Encyclopedia
The fictional universe
Fictional universe
A fictional universe is a self-consistent fictional setting with elements that differ from the real world. It may also be called an imagined, constructed or fictional realm ....

 of The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy is a science fiction comedy series created by Douglas Adams. Originally a radio comedy broadcast on BBC Radio 4 in 1978, it was later adapted to other formats, and over several years it gradually became an international multi-media phenomenon...

series by Douglas Adams
Douglas Adams
Douglas Noel Adams was an English writer and dramatist. He is best known as the author of The Hitchhiker's Guide to the Galaxy, which started life in 1978 as a BBC radio comedy before developing into a "trilogy" of five books that sold over 15 million copies in his lifetime, a television...

 is a galaxy-spanning society of interacting extraterrestrial cultures, so the technological level in the series is highly advanced, though often unreliable. Many technologies in the series are used to poke fun at modern life.

Sirius Cybernetics Corporation

Most of the technology mentioned in the series are products of the Sirius Cybernetics Corporation, a decidedly inept company responsible for the design and creation of a wide range of robot
Robot
A robot is a mechanical or virtual intelligent agent that can perform tasks automatically or with guidance, typically by remote control. In practice a robot is usually an electro-mechanical machine that is guided by computer and electronic programming. Robots can be autonomous, semi-autonomous or...

s and labour-saving devices, such as lift
Elevator
An elevator is a type of vertical transport equipment that efficiently moves people or goods between floors of a building, vessel or other structures...

s, automatic doors
Door
A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space....

, ventilation system
Ventilation (architecture)
Ventilating is the process of "changing" or replacing air in any space to provide high indoor air quality...

s, and the infamous Nutrimatic Drink Dispenser. In , the problem with all the corporation's products was summarised by the Guide:
It is very easy to be blinded to the essential uselessness of [their products] by the sense of achievement you get from getting them to work at all. In other words - and this is the rock solid principle on which the whole of the Corporation's Galaxy-wide success is founded - their fundamental design flaws are completely hidden by their superficial design flaws.


The only profitable division of the company is its Complaints division, which, according to the series, takes up all of the major landmasses on the first three planets in the Sirius Tau system. The theme song for the Complaints division is Share and Enjoy, and has since become the theme apparent for the company as a whole. The main office building and headquarters for the company was originally built to represent this motto, but due to bad architecture it sank halfway into the ground, leaving the upper halves of the motto's words to read in the local language "Go Stick Your Head in a Pig."

The Sirius Cybernetics Corporation invented a concept called Genuine People Personalities ("GPP") which imbue their products with intelligence and emotion. Thus not only do doors open and close, but they thank their users for using them, or sigh with the satisfaction of a job well done. Other examples of Sirius Cybernetics Corporation's record with sentient technology include an armada of neurotic elevators, hyperactive ships' computers and perhaps most famously of all, Marvin the Paranoid Android
Marvin the Paranoid Android
Marvin, the Paranoid Android, is a fictional character in The Hitchhiker's Guide to the Galaxy series by Douglas Adams. Marvin is the ship's robot aboard the starship Heart of Gold...

. Marvin is a prototype
Prototype
A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from.The word prototype derives from the Greek πρωτότυπον , "primitive form", neutral of πρωτότυπος , "original, primitive", from πρῶτος , "first" and τύπος ,...

 for the GPP feature, and his depression and "terrible pain in all the diode
Diode
In electronics, a diode is a type of two-terminal electronic component with a nonlinear current–voltage characteristic. A semiconductor diode, the most common type today, is a crystalline piece of semiconductor material connected to two electrical terminals...

s down his left side" are due to unresolved flaws in his programming.

The Corporation is also mentioned in the radio serial of The Long Dark Tea-Time of the Soul
The Long Dark Tea-Time of the Soul (radio serial)
The Long Dark Tea-Time of the Soul is an Above the Title Productions radio adaptation, dramatised by Dirk Maggs and John Langdon of Douglas Adams's The Long Dark Tea-Time of the Soul...

. They are also listed in the instructions to the Atari Jaguar game Alien vs Predator as a manufacturer of medical equipment.

By-products of Designer People

During the backstory Young Zaphod Plays it Safe
Young Zaphod Plays it Safe
"Young Zaphod Plays It Safe" is a short story by Douglas Adams set in his The Hitchhiker's Guide to the Galaxy universe. It is included with several collections but has never been released as a standalone work. It first appeared in The Utterly Utterly Merry Comic Relief Christmas Book which...

, the Sirius Cybernetics Corporation designed and produced synthetic personalities to order, but they turned out to be the "By-products of Designer People - amalgams of characteristics which simply could not co-exist in naturally occurring life forms". Some of these were dangerous as they did not alarm people to their dangerousness. The starship Billion Year Bunker contained three of these in the hold, on their way to being blasted out of the universe - but one had escaped to Earth, "the man babbling gently about a shining city on a hill
City on a Hill
City on a Hill is an metaphor from the Salt and Light section of Jesus' Sermon on the Mount in the Gospel of Matthew.It may also refer to:*City upon a Hill, a line from a famous sermon by Puritan John Winthrop frequently invoked in discussions of American exceptionalism.*City on a Hill , a series...

"; later revised editions clarify the reference by describing the figure as "a Reagan", in other words Ronald Reagan
Ronald Reagan
Ronald Wilson Reagan was the 40th President of the United States , the 33rd Governor of California and, prior to that, a radio, film and television actor....

.

Doors

Doors manufactured by the Sirius Cybernetics Corporation are programmed to love their simple lives; they love nothing more than to open and close for passing users, and thank them profusely for so emphatically validating their existence. Most characters in the series grow to loathe the doors, particularly Marvin (and he was the first to explain about the doors' "cheerful and sunny dispositions").

Happy Vertical People Transporter

The lifts in the Hitchhiker's Guide offices are called Happy Vertical People Transporters. As designed by the Corporation, they are meant to be sentient (enough to argue with) and have "defocused temporal perception." The latter concept is meant to enable the lifts to see far enough into the future to arrive at a floor before a potential passenger realises they wanted a lift, thus saving them from having to wait around and make friends like they would have to do normally.

The one lift with a voice appears in , voiced by David Tate. The lifts make a cameo appearance of sorts in and .

Matter transference beams

The main means of teleportation encountered throughout the series, first used by a Dentrassi to transport Ford and Arthur onto a Vogon ship seconds before the Earth is destroyed. Ford explains that one probably loses some salt and protein when transported for the first time through a matter transference beam. In the Hitchhiker's game, this condition is fatal without eating peanuts. Used again in The Restaurant at the End of the Universe, as the team try to escape from Hotblack Desiato's stuntship, They find a room, approximately 6–8 feet tall, with what resembles a multiple shower unit with half finished wiring tangled from the ceiling. Since there is no guidance programming and no automatic system, Marvin is forced to stay behind and operate the machine (he himself escapes by an artificially introduced Improbability Field). Arthur wakes up from the transport and states he has the worst headache imaginable.

Nutrimatic Drinks Dispenser

The Nutrimatic Drinks Dispenser is a product of the Sirius Cybernetics Corporation. The Guide has this to say on the Nutrimatic Drinks Dispenser:

When the 'Drink' button is pressed it makes an instant but highly detailed examination of the subject's taste buds, a spectroscopic analysis of the subject's metabolism, and then sends tiny experimental signals down the neural pathways to the taste centres of the subject's brain to see what is likely to be well received.

However, no-one knows quite why it does this because it then invariably delivers a cupful of liquid that is almost, but not quite, entirely unlike tea.


In , the machine fails to produce tea altogether, in fact refusing to try, and taps Eddie's logic circuits to compute why Arthur wants tea at all; "Because I happen to like it" doesn't compute. With the help of the spirit of Zaphod Beeblebrox the Fourth, Eddie eventually settles on the answer "because he's an ignorant monkey who doesn't know better", though this answer is not well-received by Arthur.

In , on the other hand, Arthur Dent
Arthur Dent
Arthur Philip Dent is a fictional character, the hapless protagonist and anti-hero in the comic science fiction series The Hitchhiker's Guide to the Galaxy by Douglas Adams....

 manages to freeze up a Nutrimatic Drinks Dispenser (along with the rest of the spaceship they are on) by asking it to make him tea, due to the various servings of the terrible-tasting sludge he'd received from the machine during the entire trip. The Nutrimatic Drinks Dispenser defined tea as "The taste of dried-up leaves boiled in water." After many hours of considerable thought with the help of Eddie it manages to produce real tea, which Arthur describes as "the best tea he's ever drunk".

In the film adaptation, a machine similar to the drinks dispenser appears, serving brown sludge into a plastic cocktail glass. However, it is not mentioned by name, nor does it engage Arthur in conversation. There is also a similar machine nearby that detects and produces - according to Trillian - "what you're craving." While still incapable of making tea, this machine does not in fact paralyze the ship's systems--that feat is instead accomplished by the hitchhiking mice who are, in fact, the pan-dimensional beings who activated Deep Thought for the second time.

Billion Year Bunker

The Starship Billion Year Bunker appeared in Young Zaphod Plays it Safe
Young Zaphod Plays it Safe
"Young Zaphod Plays It Safe" is a short story by Douglas Adams set in his The Hitchhiker's Guide to the Galaxy universe. It is included with several collections but has never been released as a standalone work. It first appeared in The Utterly Utterly Merry Comic Relief Christmas Book which...

. It was commissioned by the Galactic government to carry certain "by-products", such as aorist rods and biological weapons. It was meant to be almost indestructible and the cargo hold had been reinforced in many different ways. The crew was to steer the ship towards a black hole
Black hole
A black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole there is a mathematically defined surface called an event horizon that...

, where it would be sucked in and forever be destroyed. However, the captain took a detour to his home planet because he wanted some of the lobsters that were in abundance on the planet. The ship crashed into the water and split in two.

Heart of Gold

S.S. Heart of Gold is the first prototype ship to successfully utilise the revolutionary Infinite Improbability Drive. It is 150 meters long and has been represented in various shapes. The original radio series
The Hitchhiker's Guide to the Galaxy Primary and Secondary Phases
The Hitchhiker's Guide to the Galaxy radio series written by Douglas Adams was first broadcast in 1978 and was the first incarnation of his Hitchhiker's Guide to the Galaxy franchise...

 did not specify a shape. In the novel adapted from the first four episodes of the radio series, it was described as a sleek white running shoe, which the TV adaptation adopted as a basis for its depictions. In the 2005 movie
The Hitchhiker's Guide to the Galaxy (film)
The Hitchhiker's Guide to the Galaxy is a 2005 comic science fiction film based on the book of the same name by Douglas Adams. Shooting was completed in August 2004 and the movie was released on April 28, 2005 in Europe, Australia and New Zealand, and on the following day in Canada and the United...

, it is more spherical with a hole and red brake lights on the rear that form the shape of a heart, a shape derived from a teacup in the brownian motion
Brownian motion
Brownian motion or pedesis is the presumably random drifting of particles suspended in a fluid or the mathematical model used to describe such random movements, which is often called a particle theory.The mathematical model of Brownian motion has several real-world applications...

 producer that powers the Infinite Improbability Drive. It also features a mural around the hole which depicts the invention of the Drive. It was built as a secret government project on planet Damogran from where Zaphod Beeblebrox
Zaphod Beeblebrox
Zaphod Beeblebrox is a fictional character in the various versions of the humorous science fiction story The Hitchhiker's Guide to the Galaxy by Douglas Adams who based him on his Cambridge contemporary, Johnny Simpson....

, the then-President of the Imperial Galactic Government, stole it at the launching ceremony.

The ship's cybernetics consist of a new generation of Sirius Cybernetics Corporation robots and computers with Genuine People Personalities (including Eddie the shipboard computer and Marvin
Marvin the Paranoid Android
Marvin, the Paranoid Android, is a fictional character in The Hitchhiker's Guide to the Galaxy series by Douglas Adams. Marvin is the ship's robot aboard the starship Heart of Gold...

).

In , it is revealed that the core of the Improbability Drive is actually the Golden Bail of Prosperity, one of five items that forms the Wikkit Gate. The drive is subsequently stolen by the robots of Krikkit, but is later recovered by Zaphod Beeblebrox
Zaphod Beeblebrox
Zaphod Beeblebrox is a fictional character in the various versions of the humorous science fiction story The Hitchhiker's Guide to the Galaxy by Douglas Adams who based him on his Cambridge contemporary, Johnny Simpson....

 and reinstalled.

Bistromathic drive

The Bistromathic Drive is a starship propulsion system
Spacecraft propulsion
Spacecraft propulsion is any method used to accelerate spacecraft and artificial satellites. There are many different methods. Each method has drawbacks and advantages, and spacecraft propulsion is an active area of research. However, most spacecraft today are propelled by forcing a gas from the...

 introduced in , the third book of the series.

The Bistromathic Drive is used in Slartibartfast
Slartibartfast
Slartibartfast is a fictional character in The Hitchhiker's Guide to the Galaxy, a comedy/science fiction series created by Douglas Adams. The character appears in the first and third novels, the first and third radio series , the 1981 television series and the 2005 feature film...

's craft Bistromath and works by exploiting the irrational mathematics that apply to numbers on a waiter's bill pad and groups of people in restaurants. describes bistromathics as follows:
Further explanation of the theory behind bistromathics:
The bridge instruments of the Starship Bistromath are ensconced in fake wine bottles.

The central computational area is a fake Italian restaurant table with seating for twelve encased in a glass cage. The table is decked with a faded red and white check tablecloth with mathematically positioned cigarette burns. A group of robot customers sit round the table, attended by robot waiters.

The mathematics play themselves out in the complex interplay between continuously circulating keys, menus, watches, cheque books, credit cards, bill pads and scribblings on paper napkins.

Slartibartfast explains that "On a waiter's bill pad, numbers dance. Reality and unreality collide on such a fundamental level that each becomes the other and anything is possible."

Should the ship's captain sit at the table, the mathematical functions speed up; the customers become more vociferous and wave at each other. Eventually, the equation balances, and the customers become polite and civil once more. The more heated the argument, the more complex the equation, and the farther the ship may travel.

Effectively, the ship takes advantage of the strange rules that only restaurants operate under by turning itself into a controlled, artificial restaurant. This allows a ship equipped with a bistromathic drive to accomplish feats quite outside the normal capabilities of spacecraft, such as travelling two thirds across the galactic disk in a matter of seconds. The drive is notably more controllable than the Infinite Improbability Drive. It is also said to "make the Heart of Gold seem like an electric pram."

Hyperspace

The Vogon ships use hyperspace
Hyperspace (science fiction)
Hyperspace is a plot device sometimes used in science fiction. It is typically described as an alternative region of space co-existing with our own universe which may be entered using an energy field or other device...

 travel to go faster than light. They also destroy Earth to make way for a hyperspace bypass
Bypass (road)
A bypass is a road or highway that avoids or "bypasses" a built-up area, town, or village, to let through traffic flow without interference from local traffic, to reduce congestion in the built-up area, and to improve road safety....

. Ford Prefect
Ford Prefect (character)
Ford Prefect is a fictional character in The Hitchhiker's Guide to the Galaxy by the British author Douglas Adams. He is the only character other than the protagonist, Arthur Dent, to appear throughout the entire Hitchhiker's saga.-Name:Although Ford had taken great care to blend into Earth...

 describes going into hyperspace as "rather unpleasantly like being drunk". When asked what's so unpleasant about being drunk, he replies, "Ask a glass of water."

Infinite Improbability Drive

The Infinite Improbability Drive is a faster-than-light
Faster-than-light
Faster-than-light communications and travel refer to the propagation of information or matter faster than the speed of light....

 drive. The most prominent usage of the drive is in the starship
Starship
A starship or interstellar spacecraft is a theoretical spacecraft designed for traveling between the stars, as opposed to a vehicle designed for orbital spaceflight or interplanetary travel....

 Heart of Gold. It is based on a particular perception of quantum theory
Quantum mechanics
Quantum mechanics, also known as quantum physics or quantum theory, is a branch of physics providing a mathematical description of much of the dual particle-like and wave-like behavior and interactions of energy and matter. It departs from classical mechanics primarily at the atomic and subatomic...

: a subatomic particle is most likely to be in a particular place, such as near the nucleus of an atom, but there is also a small probability of it being found very far from its point of origin (for example close to a distant star). Thus, a body could travel from place to place without passing through the intervening space (or hyperspace
Hyperspace (science fiction)
Hyperspace is a plot device sometimes used in science fiction. It is typically described as an alternative region of space co-existing with our own universe which may be entered using an energy field or other device...

, for that matter), if you had sufficient control of probability. According to the Guide, in this way the drive "passes through every conceivable point in every conceivable universe almost simultaneously," meaning the traveller is "never sure where they'll end up or even what species they'll be when they get there," therefore it's important to dress accordingly.

The Guide's entry on the drive states it was invented "following research into finite improbability, which was often used to break the ice at parties by making all the molecules in the hostess' undergarments leap one foot simultaneously to the left, in accordance with the theory of indeterminacy". It further explains that many respectful physicists wouldn't go to stand for that scenario, "partly because it was a debasement of science, but mostly because they didn't get invited to those sort of parties."

The Heart of Gold was the prototype ship for infinitely improbable travel. It is the infinite improbability drive in The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy is a science fiction comedy series created by Douglas Adams. Originally a radio comedy broadcast on BBC Radio 4 in 1978, it was later adapted to other formats, and over several years it gradually became an international multi-media phenomenon...

 that saves Arthur Dent
Arthur Dent
Arthur Philip Dent is a fictional character, the hapless protagonist and anti-hero in the comic science fiction series The Hitchhiker's Guide to the Galaxy by Douglas Adams....

 and Ford Prefect
Ford Prefect (character)
Ford Prefect is a fictional character in The Hitchhiker's Guide to the Galaxy by the British author Douglas Adams. He is the only character other than the protagonist, Arthur Dent, to appear throughout the entire Hitchhiker's saga.-Name:Although Ford had taken great care to blend into Earth...

 from very probable death by asphyxiation in deep space after being thrown out of the Vogon
Vogon
The Vogons are a fictional alien race from the planet Vogsphere in The Hitchhiker's Guide to the Galaxy series by Douglas Adams, who are responsible for the destruction of the Earth, in order to facilitate an intergalactic highway construction project. Vogons are slug-like but vaguely humanoid, are...

 ship; the improbable odds against being rescued being 22079460347 to one; the superscripted number incidentally being the telephone number of the Islington flat where Arthur went to a fancy dress party and first met - and totally blew it with - Trillian.
Incidentally, Adams explained in the annotated volume of the original radio scripts that it was the
eviction of Arthur and Ford out the spacelock of the Vogon ship that led to his own "invention" of the Infinite Improbability Drive. Adams realised that he had worked the story into a dead end,
thinking in frustration that the only solutions would be "infinitely improbable." In a flash of
insight and what Adams called "mental jiujitsu", the Infinite Improbability Drive was born.

In the third book, the Infinite Improbability Drive is discovered to be the Golden Bail of Prosperity in the Wikkit Gate. It is stolen by the white Krikkit robots; however, it was returned and the Heart of Gold returned to operational status.

Adams developed the notion of the improbability drive having greater causal (and narrative) effects in later books. For example: when Zaphod's great-grandfather discusses his great grandson's career-to-date he explains that he (Zaphod) cannot escape his destiny now the improbability field "controls you".

Karey Kirkpatrick
Karey Kirkpatrick
Karey Kirkpatrick is an American screenwriter and director. His films include James and the Giant Peach, Space Jam, The Iron Giant, The Spiderwick Chronicles, Charlotte's Web and The Hitchhiker's Guide to the Galaxy adaptation. He has also directed the films, Imagine That starring Eddie Murphy as...

, who adapted the novel for the screen in 2005, described the improbability drive as a "a plot contrivance machine", allowing Adams to construct elaborate plotlines based on coincidences that would, in other narratives, be considered too improbable to be believed.

Kill-o-Zap blaster pistol

The Kill-o-Zap is a weapon first appearing in , wielded by the police from Blagulon Kappa when they come to Magrathea to arrest Zaphod.

In it is described in more detail: "The designer of the gun had clearly not been instructed to beat about the bush. 'Make it evil,' he'd been told. 'Make it totally clear that this gun has a right end and a wrong end. Make it totally clear to anyone standing at the wrong end that things are going badly for them. If that means sticking all sort of spikes and prongs and blackened bits all over it then so be it. This is not a gun for hanging over the fireplace or sticking in the umbrella stand, it is a gun for going out and making people miserable with.'"

In , the group arms themselves with Kill-o-Zap guns against the Krikkiters. Arthur "fumbled to release the safety catch and engage the extreme danger catch as Ford had shown him. He was shaking so much that if he'd fired at anybody at that moment he probably would have burnt his signature on them."

In the 2005 movie adaptation, the gun has a more sophisticated look. Instead of it being silver and covered in spikes like the novel suggests, it is more of a white circle that covers the hand and has a trigger on the inside. This version is wielded by Marvin.

Point of View Gun

The Point of View Gun is a device created by Douglas Adams for the movie version of The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy (film)
The Hitchhiker's Guide to the Galaxy is a 2005 comic science fiction film based on the book of the same name by Douglas Adams. Shooting was completed in August 2004 and the movie was released on April 28, 2005 in Europe, Australia and New Zealand, and on the following day in Canada and the United...

; it does not appear in any of the previous versions of the story.

According to the film, the gun
Gun
A gun is a muzzle or breech-loaded projectile-firing weapon. There are various definitions depending on the nation and branch of service. A "gun" may be distinguished from other firearms in being a crew-served weapon such as a howitzer or mortar, as opposed to a small arm like a rifle or pistol,...

 was created by Deep Thought prior to its long pondering of the Answer to Life, the Universe, and Everything. When used on someone, it will cause them to see things from the point of view
Perspective (cognitive)
Perspective in theory of cognition is the choice of a context or a reference from which to sense, categorize, measure or codify experience, cohesively forming a coherent belief, typically for comparing with another...

 of the person firing the gun (the Guide says that it "conveniently, does precisely as its name suggests"). According to the Guide, though the gun was designed by Deep Thought, it was commissioned by the Intergalactic Consortium of Angry Housewives
Homemaker
Homemaking is a mainly American term for the management of a home, otherwise known as housework, housekeeping or household management...

, who were tired of ending every argument with their husbands with the phrase: "You just don't get it, do you?"

This neatly mirrors the Total Perspective Vortex, an earlier plot device from the radio series
The Hitchhiker's Guide to the Galaxy (radio series)
The Hitchhiker's Guide to the Galaxy is a science fiction comedy radio series written by Douglas Adams . It was originally broadcast in the United Kingdom by BBC Radio 4 in 1978, and afterwards on global short wave radio on the BBC World Service, National Public Radio in the U.S. and CBC Radio in...

 and second novel
The Restaurant at the End of the Universe
The Restaurant at the End of the Universe is the second book in the Hitchhiker's Guide to the Galaxy comedy science fiction trilogy of five by Douglas Adams. It was originally published by Pan Books as a paperback. The book was inspired by the song "Grand Hotel" by British rock band Procol Harum...

, created by the character Trin Tragula to show his wife the whole infinity of creation and herself in relation to it.

Humma Kavula wants to obtain the gun in order to expand the influence of the religion he heads. He agrees to trade it with Zaphod Beeblebrox
Zaphod Beeblebrox
Zaphod Beeblebrox is a fictional character in the various versions of the humorous science fiction story The Hitchhiker's Guide to the Galaxy by Douglas Adams who based him on his Cambridge contemporary, Johnny Simpson....

 for the coordinates to Magrathea, but takes Zaphod's second head as collateral instead, as Zaphod didn't have the gun at the time. When the gun is discovered inside Deep Thought, it is playfully used by Ford Prefect
Ford Prefect (character)
Ford Prefect is a fictional character in The Hitchhiker's Guide to the Galaxy by the British author Douglas Adams. He is the only character other than the protagonist, Arthur Dent, to appear throughout the entire Hitchhiker's saga.-Name:Although Ford had taken great care to blend into Earth...

 and Zaphod on one another, and eventually taken by Trillian
Trillian (character)
Tricia McMillan, also known as Trillian Astra, is a fictional character from Douglas Adams' series The Hitchhiker's Guide to the Galaxy. She is most commonly referred to simply as "Trillian", a modification of her birth name, which she adopted because it sounded more "space-like". According to the...

 who uses it to interrogate Zaphod to understand why she was upset over the destruction of Earth. (In the movie adaptation, Zaphod authorised the destruction of Earth, thinking he was simply being asked for his autograph for a fan, and was completely unaware why Trillian was angry with him when she discovered this revelation.) Following this, Zaphod threatens to fire the gun at Trillian, to which she scathingly replies that she is "already a woman" (it is therefore implied that the gun only affects men, i.e., because women, unlike men, are sympathetic and thoughtful of others, and therefore already see things from another's point of view.)

Near the end of the film, Marvin the Paranoid Android
Marvin the Paranoid Android
Marvin, the Paranoid Android, is a fictional character in The Hitchhiker's Guide to the Galaxy series by Douglas Adams. Marvin is the ship's robot aboard the starship Heart of Gold...

 uses the gun to save the crew of the Heart of Gold from hundreds of Vogon
Vogon
The Vogons are a fictional alien race from the planet Vogsphere in The Hitchhiker's Guide to the Galaxy series by Douglas Adams, who are responsible for the destruction of the Earth, in order to facilitate an intergalactic highway construction project. Vogons are slug-like but vaguely humanoid, are...

s. After the Vogons see things from Marvin's chronically-depressed point of view, they all collapse, not finding a point to life any more.

There are seven holsters for Point of View Guns inside Deep Thought, but only one actual gun. The rest of the holsters are empty. At the end of the movie Arthur Dent
Arthur Dent
Arthur Philip Dent is a fictional character, the hapless protagonist and anti-hero in the comic science fiction series The Hitchhiker's Guide to the Galaxy by Douglas Adams....

 possesses the gun, and Zaphod has not yet turned the gun over to Humma Kavula.

QUEST

Quite Unwieldy Experimental Sublimation Torpedo, an experimental anti-god missile used by Prostetnic Vogon Jeltz to attack the god Thor in . The Vogons bought the device from Zaphod, who reveals that he installed a lawnmower engine on it in a scheme to defraud them.

Supernova bomb

Featured in Life, the Universe and Everything
Life, the Universe and Everything
Life, the Universe and Everything is the third book in the five-volume Hitchhiker's Guide to the Galaxy science fiction series by British writer Douglas Adams...

, the supernova bomb is "a very very small bomb" that resembles a cricket ball
Cricket ball
A cricket ball is a hard, solid leather ball used to play cricket. Constructed of cork and leather, a cricket ball is heavily regulated by cricket law at first class level...

, and is the greatest weapon of mass destruction ever created in the history of the universe. Initially designed by the supercomputer Hactar for the Silastic Armourfiends of Striterax, who had demanded that it create an "Ultimate Weapon
Doomsday device
A doomsday device is a hypothetical construction — usually a weapon, or collection of weapons — which could destroy all life on a planet, particularly the Earth, or destroy the planet itself, bringing "doomsday", a term used for the end of planet Earth...

" but forgot that computers take instructions literally, the bomb creates a path through hyperspace
Hyperspace (science fiction)
Hyperspace is a plot device sometimes used in science fiction. It is typically described as an alternative region of space co-existing with our own universe which may be entered using an energy field or other device...

 that connects all major suns together into one gigantic supernova, effectively destroying the entire universe
Universe
The Universe is commonly defined as the totality of everything that exists, including all matter and energy, the planets, stars, galaxies, and the contents of intergalactic space. Definitions and usage vary and similar terms include the cosmos, the world and nature...

. Hactar deliberately designed the bomb with a flaw that rendered it useless; when the Silastic Armourfiends discovered this, they smashed the computer into dust and then destroyed themselves through constant warfare.

Hactar's particulate form wrapped itself around the idyllic planet Krikkit, isolating it from the rest of the universe, and gradually re-engineered its society until they could recreate the bomb and fulfil Hactar's program. The Krikkiters were defeated in the Krikkit Wars, racial memories of which would lead to the invention of the game cricket
Cricket
Cricket is a bat-and-ball game played between two teams of 11 players on an oval-shaped field, at the centre of which is a rectangular 22-yard long pitch. One team bats, trying to score as many runs as possible while the other team bowls and fields, trying to dismiss the batsmen and thus limit the...

 on Earth. Billions of years later, they built Hactar's flawed bomb and tried to deploy it, leading to their discovery of the computer's influence on their evolution. Trillian noted that it was impossible for the Krikkiters to be smart enough to build this weapon on their own, yet stupid enough not to grasp that it would destroy them if they used it. Hactar created a fully functional duplicate of the bomb and hid it in a travel bag belonging to Arthur Dent
Arthur Dent
Arthur Philip Dent is a fictional character, the hapless protagonist and anti-hero in the comic science fiction series The Hitchhiker's Guide to the Galaxy by Douglas Adams....

, who very nearly caused it to explode before stopping it by accident at the last second.

Crisis Inducer

A watch-like device that can create an artificial crisis situation of selectable severity, in order to sharpen the wits of the user. Carried by Lintilla in .

Digital watches

Earth's population are described in the first novel as "so amazingly primitive that they still think digital watches are a pretty neat idea." When Arthur Dent loses his left arm as a consequence of the Infinite Improbability Drive, he panics upon realising he can no longer operate his digital watch. Hyperintelligent pan-dimensional beings built the supercomputer Deep Thought in part to comprehend why people spend so much of their lives wearing digital watches. In the 1970s, when the series was first composed, digital watches were the height of techno-fashion. For , references to digital watches were replaced by mobile telephones.

Joo Janta 200 Super-Chromatic Peril Sensitive Sunglasses

Designed to help the wearer develop a relaxed attitude to danger. The lenses turn completely black at the first hint of trouble, thus preventing the wearer from seeing anything that might alarm him/her. Appeared in and in chapter 5 and 6 of .

Thinking Cap

A special helmet that Zaphod Beeblebrox
Zaphod Beeblebrox
Zaphod Beeblebrox is a fictional character in the various versions of the humorous science fiction story The Hitchhiker's Guide to the Galaxy by Douglas Adams who based him on his Cambridge contemporary, Johnny Simpson....

 uses in the film adaptation. It is possibly an old-fashioned device, as stated by Ford Prefect
Ford Prefect (character)
Ford Prefect is a fictional character in The Hitchhiker's Guide to the Galaxy by the British author Douglas Adams. He is the only character other than the protagonist, Arthur Dent, to appear throughout the entire Hitchhiker's saga.-Name:Although Ford had taken great care to blend into Earth...

 that it was used when ship captains needed to concentrate. It is basically a helmet with a trigger device on top that resembles an automatic citrus juicer
Juicer
A juicer is a tool for extracting juice from fruits, vegetables, or wheatgrass. This is known as juicing.-Citrus juicer:A citrus juicer is used for squeezing juice from soft-centered, citrus fruits . It has a conical ridged center...

, which is why it is powered by common lemon
Lemon
The lemon is both a small evergreen tree native to Asia, and the tree's ellipsoidal yellow fruit. The fruit is used for culinary and non-culinary purposes throughout the world – primarily for its juice, though the pulp and rind are also used, mainly in cooking and baking...

 juice. The effects of the thinking cap, in Zaphod's case, last about 10 minutes per lemon. In the film, Arthur Dent
Arthur Dent
Arthur Philip Dent is a fictional character, the hapless protagonist and anti-hero in the comic science fiction series The Hitchhiker's Guide to the Galaxy by Douglas Adams....

 negatively remarks to Ford's trust in Zaphod's ability at making guesses by angrily replying "Go with the hunch of a man whose brain is fuelled by LEMONS!?" After Ford starts the Thinking Cap, Zaphod (who was very groggy from having his second head removed by force) immediately was able to walk straight and think smarter than usual, and ten minutes later he could still walk, but was back to his normal, over-the-top self.

Towels

The Hitchhiker's Guide to the Galaxy states that a towel is the most important item a hitchhiker can have. It also mentions that "to know where one's towel is" means to be in control of one's own life. It describes the towel as a multipurpose tool which can be converted into such things as a sail for a makeshift raft, a gas mask, a blindfold and a weapon for hand-to-hand combat. Resourceful hitchhikers have employed towels in highly exotic ways, such as fortifying them with vitamin supplements and wheatgerm extract or embedding complex circuitry into their fabric. Ford Prefect
Ford Prefect (character)
Ford Prefect is a fictional character in The Hitchhiker's Guide to the Galaxy by the British author Douglas Adams. He is the only character other than the protagonist, Arthur Dent, to appear throughout the entire Hitchhiker's saga.-Name:Although Ford had taken great care to blend into Earth...

, a traditionalist, has so far only reinforced his towel's seams, which enabled him to use it as a rope to stop himself from falling to his death. In the TV series, towels move of their own accord during hyperspatial jumps, and the amount they've moved allows an experienced hitchhiker to calculate the distance he has travelled. The towel was more played down in the 2005 version, Ford using it just to look threatening and flinging it around childishly like a weapon when startled. The only time when the towel was useful in the film version was when he started to wave it around in front of a group of Vogons, who screamed and ran away.

Sub-Etha

Sub-Etha is an interstellar telecommunications network
Telecommunications network
A telecommunications network is a collection of terminals, links and nodes which connect together to enable telecommunication between users of the terminals. Networks may use circuit switching or message switching. Each terminal in the network must have a unique address so messages or connections...

 used by hitchhikers to flag down passing spaceships. The primary hitcher's tool is known as the Electronic Thumb, a short black rod that can be used to contact passing ships and ask to be let on board. Ford also carries a Sens-O-Matic, a device for monitoring ships' Sub-Etha signals, and learns from it that the Vogons are on their way to demolish the Earth. Sub-Etha is used throughout the Milky Way
Milky Way
The Milky Way is the galaxy that contains the Solar System. This name derives from its appearance as a dim un-resolved "milky" glowing band arching across the night sky...

 for any kind of data transmission
Data transmission
Data transmission, digital transmission, or digital communications is the physical transfer of data over a point-to-point or point-to-multipoint communication channel. Examples of such channels are copper wires, optical fibres, wireless communication channels, and storage media...

, such as listening to the news or updating the Hitchhiker's Guide to the Galaxy itself.

Total Perspective Vortex

The Total Perspective Vortex is allegedly the most horrible torture
Torture
Torture is the act of inflicting severe pain as a means of punishment, revenge, forcing information or a confession, or simply as an act of cruelty. Throughout history, torture has often been used as a method of political re-education, interrogation, punishment, and coercion...

 device to which a sentient being can be subjected.
Located on Frogstar World B and , the machine was originally invented by one Trin Tragula in order to annoy his wife. Because she was forever nagging him for having no sense of proportion, he decided to invent something that would show her what having a sense of proportion really meant. Unfortunately the shock of being placed in the Vortex destroyed her brain
Brain
The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...

, but Trin Tragula's grief was tempered by the knowledge that he had been right and she had been wrong. In Adams's words, the Total Perspective Vortex illustrated that "In an infinite universe, the one thing sentient life cannot afford to have is a sense of proportion." Gargravarr is the disembodied mind and custodian of the Total Perspective Vortex.

The machine produces a virtual reality
Virtual reality
Virtual reality , also known as virtuality, is a term that applies to computer-simulated environments that can simulate physical presence in places in the real world, as well as in imaginary worlds...

 model of the entire universe by means of the axiom
Axiom
In traditional logic, an axiom or postulate is a proposition that is not proven or demonstrated but considered either to be self-evident or to define and delimit the realm of analysis. In other words, an axiom is a logical statement that is assumed to be true...

 that any piece of matter
Matter
Matter is a general term for the substance of which all physical objects consist. Typically, matter includes atoms and other particles which have mass. A common way of defining matter is as anything that has mass and occupies volume...

 is affected by all other matter. The Vortex reconstructs the universe through computer
Computer
A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...

 processing of a high-resolution scan ("extrapolated matter analysis") of a piece of fairy cake
Cupcake
A cupcake is a small cake designed to serve one person, frequently baked in a small, thin paper or aluminum cup...

. In the words of the Hitchhiker's Guide,
Only Zaphod Beeblebrox
Zaphod Beeblebrox
Zaphod Beeblebrox is a fictional character in the various versions of the humorous science fiction story The Hitchhiker's Guide to the Galaxy by Douglas Adams who based him on his Cambridge contemporary, Johnny Simpson....

 is reported to have survived the Vortex unscathed (and then to have eaten the small piece of fairy cake). When it showed him the "You Are Here" marker, Zaphod correctly interpreted the Vortex as simply telling him that he was the most important being in the universe. This is due to the fact that he entered the Vortex in an artificial universe, which had been specially created for his benefit (thus making him the most important being in it) by Zarniwoop. After emerging from the artificial universe's Total Perspective Vortex, Zaphod ate the piece of fairy cake, saying "If I told you how much I needed this, I wouldn't have time to eat it."

In , the ideas behind the Total Perspective Vortex and the Guide Mark II are used to combine story lines from all of the radio episodes. This allows many of the plot lines from the divergent versions of the story to be wrapped up by the radio series' conclusion.

Wikkit gate

The Wikkit Gate is an artifact featured in the novel Life, the Universe and Everything
Life, the Universe and Everything
Life, the Universe and Everything is the third book in the five-volume Hitchhiker's Guide to the Galaxy science fiction series by British writer Douglas Adams...

.

The Wikkit Gate is a universal symbol among the diverse cultures of the Galaxy of the basic ideals of civilisation. The Galactic Government therefore chose to model the key that could unlock the envelope of Slo-Time surrounding planet
Planet
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.The term planet is ancient, with ties to history, science,...

 Krikkit after a Wikkit Gate. The gate was destroyed, then the various parts re-animated as different objects around the universe. It is composed of:
  • A Steel
    Steel
    Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...

     Pillar
    Column
    A column or pillar in architecture and structural engineering is a vertical structural element that transmits, through compression, the weight of the structure above to other structural elements below. For the purpose of wind or earthquake engineering, columns may be designed to resist lateral forces...

     of Strength and Power (Marvin
    Marvin the Paranoid Android
    Marvin, the Paranoid Android, is a fictional character in The Hitchhiker's Guide to the Galaxy series by Douglas Adams. Marvin is the ship's robot aboard the starship Heart of Gold...

    's leg, but only after it had been replaced by a scrap metal merchant)
  • A Wood
    Wood
    Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...

    en Pillar of Nature and Spirituality (the reconstituted ashes
    The Ashes
    The Ashes is a Test cricket series played between England and Australia. It is one of the most celebrated rivalries in international cricket and dates back to 1882. It is currently played biennially, alternately in the United Kingdom and Australia. Cricket being a summer sport, and the venues...

     of the cricket stump that was burnt in Melbourne
    Melbourne
    Melbourne is the capital and most populous city in the state of Victoria, and the second most populous city in Australia. The Melbourne City Centre is the hub of the greater metropolitan area and the Census statistical division—of which "Melbourne" is the common name. As of June 2009, the greater...

    , Australia
    Australia
    Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

     to signify "the death of English cricket")
  • A Perspex (Plexiglas) Pillar of Science and Reason (Argabuthon Sceptre of Justice, renamed the Plastic
    Plastic
    A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...

     Pillar in the U.S. version of the books)
  • A Gold
    Gold
    Gold is a chemical element with the symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a...

    en Bail
    Bail (cricket)
    In the sport of cricket, a bail is one of the two smaller sticks placed on top of the three stumps to form a wicket. The bails are used to determine when the wicket is broken, which in turn is one of the critical factors in determining whether a batsman is out bowled, stumped, run out or hit wicket...

     of Prosperity (The Heart of Gold's heart of gold — the Improbability Drive that powers the starship)
  • A Silver
    Silver
    Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...

     Bail of Peace (the Rory Award For The Most Gratuitous Use Of The Word "Fuck" In A Serious Screenplay, changed to "Belgium" in the U.S. version)


According to the novel, the sport of cricket
Cricket
Cricket is a bat-and-ball game played between two teams of 11 players on an oval-shaped field, at the centre of which is a rectangular 22-yard long pitch. One team bats, trying to score as many runs as possible while the other team bowls and fields, trying to dismiss the batsmen and thus limit the...

 as played on Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

 is a tasteless reminder of the Krikkit Wars, and the cricket wicket
Wicket
In the sport of cricket the word wicket has several distinct meanings:-Definitions of wicket:Most of the time, the wicket is one of the two sets of three stumps and two bails at either end of the pitch...

 is a highly distorted racial memory of the Wikkit Gate. The novel describes the "bit where the little red ball hits the stumps" as being particularly offensive.

Artificial intelligences

  • Colin, the security robot
  • Deep Thought
  • Eddie, the shipboard computer
  • Hactar
  • The Hitchhiker's Guide to the Galaxy
  • Marvin, the Paranoid Android
    Marvin the Paranoid Android
    Marvin, the Paranoid Android, is a fictional character in The Hitchhiker's Guide to the Galaxy series by Douglas Adams. Marvin is the ship's robot aboard the starship Heart of Gold...


External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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