Primer (film)
Primer is a 2004 American science fiction
Science fiction
Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 drama film
Drama film
A drama film is a film genre that depends mostly on in-depth development of realistic characters dealing with emotional themes. Dramatic themes such as alcoholism, drug addiction, infidelity, moral dilemmas, racial prejudice, religious intolerance, poverty, class divisions, violence against women...

 about the accidental discovery of a means of time travel
Time travel
Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the...

. The film was written, directed, and produced by Shane Carruth
Shane Carruth
Shane Carruth is an American film writer, director, editor, producer, actor and musician.- Life and career :Carruth was born in Myrtle Beach, South Carolina. He attended Stephen F...

 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 his audience.

You're talking about making a bigger one.

Are you hungry? I haven't eaten since later this afternoon.

I am trying, okay, I really am here.

What's worse, thinking you're being paranoid or knowing you should be?

That is no static shock.

You know what they do with engineers when they turn 40? They take them out back and shoot them.

[narrating; repeated line] They took from their surroundings and made it something more.

If you always want what you can't have, what do you want when you can have anything?

What happens if it actually works?