|Directed by||Shane Carruth|
|Produced by||Shane Carruth|
|Written by||Shane Carruth|
|Music by||Shane Carruth|
|Editing by||Shane Carruth|
|Running time||77 minutes|
Primer is a 2004 American science fiction drama film about the accidental discovery of a means of time travel. The film was written, directed, and produced by Shane Carruth and was completed on a budget of $7,000. Carruth graduated from college with a degree in mathematics and is a former engineer. Primer is of note for its extremely low budget, experimental plot structure, philosophical implications, and complex technical dialogue, which Carruth chose not to simplify for the sake of the audience. One reviewer said that "anybody who claims he fully understands what's going on in Primer after seeing it just once is either a savant or a liar." The film collected the Grand Jury Prize at the 2004 Sundance Film Festival, before securing a limited release in the United States, and has since gained a cult following.
Four engineers—Aaron (Shane Carruth), Abe (David Sullivan), Robert, and Phillip—who work for a large corporation during the day, run a side business from Aaron's garage at night, building and selling JTAG cards. With the proceeds they fund research for their own inventions.
After arguing over the project that the group should tackle next, Aaron and Abe independently pursue work on technology intended to reduce the weight of an object. Although the device seems to work as planned, it has a side effect: a timepiece left in the device shows the watch has experienced about 1300 times the amount of time the device was activated for. Abe reasons that objects inside the box repeatedly travel forwards, then backwards in time while the field is active.
After some testing, Abe secretly builds a prototype machine large enough to hold a person and, after using it to go back to earlier that day, demonstrates the results to Aaron by showing Abe's past-self entering the prototype machine. Abe and Aaron build an additional machine (subsequently called "the box") and decide to cut Robert and Phillip out of the discovery, under the pretense that the garage has to be fumigated.
Abe and Aaron start using the time machines to make money in the stock market, but as their understanding of how the machines work evolves, they become more adventurous with their trips. Their experimentation is cut short by the unexpected appearance of Thomas Granger (Chip Carruth), the father of Abe's girlfriend Rachel, whose financial backing the group had been trying to procure. Time traveling appears to have made Granger comatose, and neither Abe nor Aaron understand how Granger could have discovered the box. Abe is particularly disturbed by this turn of events and concludes that time travel is too dangerous to continue. Abe attempts to prevent his past self from using the machine for time travel, thereby nullifying all of its consequences, by using a "failsafe" machine, which Abe previously built in secret, to travel back to a point prior to his first trip through time and also prior to his broaching the subject of time travel with Aaron.
Having traveled back four days in time using this failsafe point, Abe goes to meet Aaron and collapses. After Abe recovers, Aaron reveals that unbeknownst to Abe, Aaron had discovered this failsafe box and used it to get control. Aaron brought back another box, creating a false failsafe point to make Abe believe that there was still a working failsafe machine awaiting him, and preventing Abe from undoing Aaron's actions. Aaron then reveals that he has been using a recording to recite their conversation from an earlier time. Aaron continues to explain how he encountered, fought, and was subdued by a previous version of Aaron who used the failsafe to come back and make recordings after drugging the Aaron from the current timeline.
But the Aaron who met Abe at the parkbench, convinced the earlier version of Aaron that since he (the latter version) had already made the recordings that he (the latter version) should continue to act as the Aaron in this timeline. The younger Aaron leaves, allowing the older Aaron to continue plans of redoing the events of a party in which a crasher attempted to shoot Rachel Granger so Aaron can become a hero. Abe agrees to try to change the events of the party with Aaron and the two succeed, though it is unclear how many iterations it has taken. The issue of trusting, particularly anyone with such technology, and differing views on using the machines can be seen as having had destroyed their friendship.
Aaron accuses Abe of coveting his family and Abe warns Aaron never to return or interfere with their doubles. Abe stays behind to continue plans of attempting to prevent the original Abe and Aaron from this timeline — who have no idea of what the others have done — from ever using the machines for time travel, suggesting that Abe would tamper with the machines in the hope that their doubles would think the experiment a failure and move on to other projects.
The younger Aaron who came back in the failsafe to make the recordings speaks on the phone to an unspecified recipient to whom Aaron states he owes a debt. An Aaron and a team of French-speaking workers begin construction on what appears to be a building-sized device.
Although one of the more fantastic elements of science fiction is central to the film, Carruth's goal was to portray scientific discovery in a down-to-earth and realistic manner. He notes that many of the greatest breakthrough scientific discoveries in history have occurred by accident, in locations no more glamorous than Aaron's garage.
Whether it involved the history of the number zero or the invention of the transistor, two things stood out to me. First is that the discovery that turns out to be the most valuable is usually dismissed as a side-effect. Second is that prototypes almost never include neon lights and chrome. I wanted to see a story play out that was more in line with the way real innovation takes place than I had seen on film before.
Carruth has said he intended the central theme of the film to be the breakdown of Abe and Aaron's relationship, as a result of their inability to cope with the power afforded them by this technological advancement:
First thing, I saw these guys as scientifically accomplished but ethically, morons. They never had any reasons before to have ethical questions. So when they're hit with this device they're blindsided by it. The first thing they do is make money with it. They're not talking about the ethics of altering your former self.
- Shane Carruth as Aaron
- David Sullivan as Abe (Abram Terger)
- Casey Gooden as Robert
- Anand Upadhyaya as Phillip
- Carrie Crawford as Kara
- Jay Butler as Metalshop Worker
- John Carruth as Man On Couch #1 (Brad)
- Juan Tapia as Man On Couch #2
- Ashley Warren as Hostess
- Samantha Thomson as Rachel Granger
- Chip Carruth as Thomas Granger
- Delaney Price as Laura [Aaron's daughter was called "Laura" in the film. The credits list the character name as "Laney"]
- Jack Pyland as Aaron's Co-worker
- Keith Bradshaw as Clean Room Technician (Bradshaw)
- Ashok Upadhyaya as Laboratory Technician
- Brandon Blagg as Will
- Jon Cook as Will's Cousin
- David Joyner as Rachel's Date
- Eric De Soualhat as Translator
Carruth cast himself as Aaron after having trouble finding actors who could "break ... the habit of filling each line with so much drama." Most of the other actors are either friends or family members.
While writing the script, Carruth studied physics to help him make Abe and Aaron's technical dialogue sound authentic. He took the unusual step of eschewing contrived exposition, and tried instead to portray the shorthand phrases and jargon used by working scientists. This philosophy carried over into production design. The time machine itself is a plain gray box, with a distinctive electronic "hum" created by overlaying the sounds of a mechanical grinder and a car engine, rather than by using a processed digital effect. Carruth also set the story in unglamorous industrial parks and suburban tract homes.
Carruth chose to deliberately obfuscate the film's plot to mirror the complexity and confusion created by time travel. As he said in a 2004 interview: "This machine and Abe and Aaron's experience are inherently complicated so it needed to be that way in order for the audience to be where Abe and Aaron are, which was always my hope."
Primer was filmed in five weeks, on the outskirts of Dallas, Texas. For example, the scenes in the public library where Abe and Aaron made their Internet stock trades were shot in the Richardson Public Library (the Friendship fountain in front of Richardson City Hall is visible in the background through the windows).
The film was produced on a budget of only $7,000 US, and a skeleton crew of five. Shane Carruth acted as writer, director, producer, cinematographer, editor, and music composer. He also stars in the film as Aaron, and many of the other characters are played by his friends and family. The small budget required conservative use of the Super 16mm filmstock. The extremely low shooting ratio of 2:1 meant they had to carefully limit the number of takes. Every shot in the film was meticulously storyboarded on 35mm stills. Carruth created a distinctive flat, overexposed look for the film by using fluorescent lighting, non-neutral color temperatures, high-speed film stock, and filters.
All music for the film was created by Shane Carruth. On October 8, 2004, the Primer score was released on Amazon and iTunes.
Physics and science 
- Aaron and Abe start the film by attempting to create a device to somehow counter the effects of gravity. They have plans for such a device from another development team, but wish to improve on the viability of the design. Their main approach to achieve this is to discard the coolant bath for the required superconductors. They instead increase the transition temperature of the superconductor to "something more usable" by "knock[ing] out the interior magnetic field." The machine operates on the principles of the Meissner effect. The characters allude to this as they design the machine.
- Aaron and Abe require palladium to build their machine. This is the reason they take the catalytic converter from a car (catalytic converters contain small amounts of palladium).
- The principles of time travel in the film are inspired by Feynman diagrams. Carruth explained: "Richard Feynman has some interesting ideas about time. When you look at Feynman diagrams [which map the interaction of elementary particles], there's really no difference between watching an interaction happen forward and backward in time."
Carruth secured a North American distribution deal with THINKFilm after the company's head of theatrical distribution, Mark Urman, saw the film at the 2004 Sundance Film Festival. Although he and Carruth made a "handshake agreement" during the festival, Urman reported that the actual negotiation of the deal was the longest he had ever been involved with, in part due to Carruth's specific demands over how much control over the film he would retain. The film went on to take $424,760 at the box office.
Primer received broadly positive reviews in the mainstream press. The website Metacritic rated Primer at 68 out of 100, while the similar site Rotten Tomatoes reported that 73% of the critics that saw the film gave it positive reviews, and the site listed it as one of the best science fiction films "for the thinking man (...or woman)."
Many reviewers were impressed by the film's originality. Dennis Lim of The Village Voice said that it was "the freshest thing the genre has seen since 2001," while in The New York Times, A. O. Scott wrote that Carruth had "the skill, the guile and the seriousness to turn a creaky philosophical gimmick into a dense and troubling moral puzzle." Scott also enjoyed the film's realistic depiction of scientists at work, saying that Carruth had an "impressive feel for the odd, quiet rhythms of small-scale research and development."
There was also praise for Carruth's ability to maintain high production values on a minuscule budget, with Roger Ebert declaring: "The movie never looks cheap, because every shot looks as it must look." Ty Burr of The Boston Globe commented that "aspects of Primer are so low-rent as to evoke guffaws", but added that "the homemade feel is part of the point."
The film's unusually complex plot and dense dialogue proved controversial. Scott Tobias writes for The A.V. Club: "The banter is heavy on technical jargon and almost perversely short on exposition; were it not for the presence of voiceover narration, the film would be close to incomprehensible." While for the Los Angeles Times, Carina Chocano writes: "sticklers for linear storytelling are bound to be frustrated by narrative threads that start promisingly, then just sort of fall off the spool." Some reviewers were entirely put off by the film's obfuscated narrative. Kirk Honeycutt of The Hollywood Reporter complained that Primer "nearly gets lost in a miasma of technical jargon and scientific conjecture."
"Primer is hopelessly confusing and grows more and more byzantine as it unravels," Chuck Klosterman writes in an essay on time travel films five years later. "I've watched it seven or eight times and I still don't know what happened." He nonetheless says it is "the finest movie about time travel I've ever seen" because of its realism:
It's not that the time machine ... seems more realistic; it's that the time travelers themselves seem more believable. They talk and act (and think) like the kind of people who might accidentally figure out how to move through time, which is why it's the best depiction we have of the ethical quandaries that might result from such a discovery.
Ultimately, Klosterman says, the lesson of Primer regarding time travel is that "it's too important to use only for money, but too dangerous to use for anything else."
The film has been selected to be part of The A.V. Club's New Cult Canon.
- Grand Jury Prize, Sundance Film Festival in 2004.
- Alfred P. Sloan Prize for films dealing with science and technology, the 2004 Sundance Film Festival.
- Best Writer/Director (Shane Carruth) at the Nantucket Film Festival in 2004.
- Best Feature at the London International Festival of Science Fiction in 2005.
- "Primer (2004)–Box Office Mojo". Box Office Mojo. Internet Movie Database. Retrieved 2010-08-17.
- "Primer Official Site: Story/Production". Retrieved 2008-05-14.
- "Primer Official Site: Carruth Biography". Retrieved 2010-10-19.
- D'Angelo, Mike (2004-11-01). "The Best Movie We've Seen Since Tomorrow". Esquire. Hearst Communications, Inc. Retrieved 2008-05-19.
- Tobias, Scott (2008-04-01). "The New Cult Canon: Primer". The Onion A.V. Club. Onion Inc. Retrieved 2008-05-16.
- Murray, Rebecca (2004-10-22). "Interview with Shane Carruth". About.com. The New York Times Company. Retrieved 2008-05-16.
- Mitchell, Wendy. "Shane Carruth on "Primer"; The Lessons of a First-Timer". indieWIRE.com. Retrieved 2008-05-16.
- Primer at the Internet Movie Database
- "Primer Score". Amazon. 2004-10-08. Retrieved 2009-05-29.
- "A Primer Primer". The Village Voice. Retrieved 2009-01-24.
- Taubin, Amy. "Primer: The New Whiz Kid on the Block". Film Comment. Retrieved 2008-05-20.
- Box Office Mojo - Primer Domestic Total Gross Retrieved 2012-2-11
- "Metacritic". Retrieved 2008-05-15.
- "Rotten Tomatoes". Retrieved 2008-09-28.
- Jeff Giles. "Ten Sci-Fi Flicks for the Thinking Man". Rotten Tomatoes. Retrieved 2009-01-15.
- Lim, Dennis (2004-09-28). "36-Hour Party People". The Village Voice. Village Voice Media Holdings, LLC. Retrieved 2008-05-16.
- Scott, A. O. (2004-10-08). "From a Suburban Garage, a New Take on Time Travel". The New York Times. Retrieved 2008-05-16.
- Ebert, Roger (2004-10-29). "Reviews: Primer". Rogerebert.com. Retrieved 2008-05-16.
- Burr, Ty (2004-10-15). "'Primer' is an entertaining overload of techno possibilities". The Boston Globe (NY Times Co). Retrieved 2008-05-16.
- Chocano, Carina (2004-10-22). "Reviews: Primer". The Los Angeles Times.
- Klosterman, Chuck (2009). Eating the Dinosaur. New York, NY: Scribner. pp. 63–66. ISBN 978-1-4165-4421-0.
- Clarke, Donald (Tuesday, 1 December 2009). "There will be rows: Donald Clarke’s top 20 films". The Irish Times. p. 18. Retrieved 2009-12-01.
- Wilonsky, Robert (December 18, 2009). "Shane Carruth's Locally Made Primer Makes at Least One Critic's Best-of-the-Decade List". Dallas Observer.
- "Sundance Film Festival: Films Honoured 1985-2007" (PDF). Sundance Institute. Archived from the original on 2008-04-14. Retrieved 2008-05-16.
- "Awards and Nominations; Critical Acclaim". Primer website. Retrieved 2007-07-05.
- "Awards History". The London International Festival of Science Fiction and Fantastic Film. Archived from the original on 2008-03-30. Retrieved 2008-05-16.
|Wikiquote has a collection of quotations related to: Primer (film)|
- Official website
- Primer at AllRovi
- Primer at the Internet Movie Database
- Primer at Rotten Tomatoes
- Village Voice interview with Shane Carruth.
- Allen, Mark. "Filming Locations for the Movie Primer". MarkAllenCam.com.
- Primer: The Perils and Paradoxes of Restricted Time Travel Narration
- Sports, Repetition, and Control in Shane Carruth's Primer
- Re-Membering the Time-Travel Film: From La Jetée to Primer
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