Two Things at Once

Cinema is, at its core, an art of selection and sequence — it shows you one thing, then cuts to the next, building meaning by what it chooses to include and exclude and in what order. Split screen breaks this fundamental grammar. By dividing the frame into two or more images running at the same time, it abandons the medium's basic promise to direct your attention, and instead presents simultaneity directly: two places, two times, two perspectives, coexisting in the same rectangle, your eye free to move between them. It was a natural fit for the 1960s, the decade of the divided, multiplying image — Norman Jewison's The Thomas Crown Affair used it for cool, modern, mosaic energy, the heist fragmented across a grid of simultaneous panels.

The device has a few distinct things it can do that the cut cannot, and the masters exploit them. There is split screen as suspense — the killer in one panel, the victim in the other, the two approaching, the audience helplessly watching both lines converge, a tension no cut could sustain because the cut would let you forget one side. Brian De Palma, the great modern practitioner, built it into Carrie and Dressed to Kill precisely for this — to hold two threads in unbearable simultaneity, to make you watch the threat and the oblivious target at once. And there is split screen as subjectivity and fragmentation — Darren Aronofsky's Requiem for a Dream splits the frame to show two bodies in the same bed growing apart, intimacy and isolation in a single shot, the divided image enacting a divided connection.

What gives split screen its particular meaning is that the division is always, at some level, about division — about the impossibility of seeing the whole, about the simultaneity that single vision misses, about a world too multiple for one frame. When a film splits the screen, it confesses something: that reality is not the tidy sequence the cut pretends, that while you are watching this, that is also happening, that experience is parallel and you can never attend to all of it. The grid of panels is an image of the modern, networked, multiplied attention — many things at once, none of them the whole, the eye darting and missing and choosing. It is the frame admitting its own limit, and turning the admission into a form.

This is why split screen has never become a default and keeps returning as a special, slightly self-conscious gesture: it is too honest about the medium's artifice, too obviously a device, to disappear into the seamless flow the way the cut does. It announces itself, breaks the spell, reminds you that you are watching a constructed image that has chosen to show you two things because it cannot, honestly, show you everything. And in that announcement is its power — the rare cinematic move that admits no single image can hold reality, that elsewhere is always occurring, that to see one thing is always to miss another. The whole rest of cinema pretends otherwise, choosing for you, hiding the elsewhere. Split screen tells the truth: two things, at least, are always happening at once, and you will never see them all.

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The line: The Thomas Crown Affair → Carrie → Dressed to Kill → Requiem for a Dream → Kill Bill: Vol. 1

This line crosses:

• The Shameless Heir — De Palma is split screen's great modern practitioner; the divided frame is one of his signature instruments for holding two threads in unbearable suspense.
• Watching and Being Watched — split screen is the native grammar of surveillance, the bank of simultaneous feeds; the divided frame and the watched world share a form.

Read through: writing on De Palma's formal devices · Malcolm Turvey and others on split screen and simultaneity.

A note on the argument: split screen's uses and practitioners are documented record. The framing of the device as the frame admitting its own limit — reality as simultaneous, the honest refusal to choose — is this essay's reading.