The Zoetrope: A Symbol of Doorways and Delusion in Bridge

The zoetrope is a 19th-century optical device that produces the illusion of motion from a sequence of static images. In Lauren Beukes' novel Bridge, the zoetrope becomes far more than a curiosity: it is the technological trigger that, combined with sitar music and the dreamworm substance, allows characters to shift their consciousness into alternate versions of themselves in parallel worlds. This article traces the zoetrope across the narrative, examines how its meaning shifts for different characters, and connects it to the novel's central themes of grief, identity, belief, and multiverse ethics.

What Is the Zoetrope in the Story?

Created by Jo Kittinger, the zoetrope in Bridge is a physical cylinder with slits and a band of sequential images—most commonly horses galloping. When spun and viewed through the slits, the images appear to move. Jo engineered the device to emit specific frequencies (gamma brain waves) when paired with a sitar recording. The video file ZC_12M that Bridge finds in chapter 5 is a digital animation of the same zoetrope pattern. Ingesting a strand of the dreamworm and watching or listening to the zoetrope triggers a rapid transfer of consciousness to an alternate self. The device is thus a key to doorways between realities—but a key that comes with risks, including potential parasitic infection.

Where the Zoetrope Recurs

The zoetrope appears at several critical moments.

• Chapter 3 – DOM: Bad Life Choices: Bridge and Dom attempt their first deliberate trip. They set up a nest of cushions, play a zoetrope-style animation of ballroom-dancing skeletons on an iPad, and accompany it with sitar music from Bridge's phone. After an hour, nothing happens—Bridge admits she previously believed it was a delusion. This early attempt establishes the zoetrope as a failed trigger and introduces the theme of belief vs. skepticism.

• Chapter 5 – BRIDGE: No Undo: Alone in Jo's kitchen, Bridge swallows a piece of the dreamworm and plays the ZC_12M video. The animation shows horses running until they blur; the sitar music swells; colors swirl; a pressure builds; and Bridge experiences her first conscious multiverse jump. Here the zoetrope works exactly as Jo intended, marking Bridge's active pursuit of her mother's secret research.

• Chapter 22 – DOM: Big Bird: At Caden's apartment, Dom spots Jo's original zoetrope on a shelf. Caden explains that he and Jo used it as a base model to calculate "the patterning to simulate the particular brain waves—gamma." This reveals the scientific foundation behind the device and deepens the mystery of Jo's work. The zoetrope exists both as Jo's physical prototype and as Caden's copied intellectual property.

• Chapter 49 – AMBER: Ding-Dong-Ditch the Witch: Amber forces her way into Joanne Kaye's townhouse and finds a zoetrope alongside the Frequency Machine. Joanne claims the machine treats her epilepsy, but Amber recognizes it as related to the dreamworm infection. The zoetrope here signals that Joanne (an alternate of Jo) also used the device, linking the multiverse threat across realities.

• Chapter 57 – DOM: Echoing: Dom uses the same ZC_12M video to jump, experiencing the zoetrope animation and sitar music before landing on a beach in an alternate universe. This chapter reinforces the device's reproducibility and shows Dom's reluctant embrace of the method.

• Chapter 64 – Discover More: The promotional chapter directly addresses the reader, breaking the fourth wall. While the zoetrope does not appear in this marketing section, the title "Discover More" echoes the exploratory function of the device—inviting readers to "jump" into new stories, much as characters jump worlds.

How the Zoetrope's Meaning Changes

The zoetrope's meaning evolves across the novel.

The childhood zoetrope was a make-believe portal. The adult zoetrope is a real, dangerous technology that can be weaponized or used for healing.

Character Connections

• Bridge: Her relationship with the zoetrope mirrors her grief. Initially she considers it a "dumb game" (chapter 3), part of her mother's delusion. Later she embraces it, using the ZC_12M video to actively search for Jo. The zoetrope becomes a tool of connection and also of self-destruction, as each jump risks losing herself.

• Dom: Dom is the skeptic who becomes a willing participant. In chapter 3 they call the trip "ill-advised." In chapter 57 they swallow the worm and use the same zoetrope video to follow Bridge. Their journey through the device reflects their growth from passive observer to active protector.

• Caden: Caden treats the zoetrope as intellectual property. He keeps Jo's physical zoetrope and builds his own. He uses the device to steal songs from his producer otherself in Singapore (chapter 31). For him, the zoetrope is a tool for career advancement, not connection—until doors start closing and he fears the worm is parasitic.

• Amber: Amber recognizes the zoetrope as a marker of infection. When she finds one at Joanne's, she immediately knows Joanne is "diseased." For Amber, the device signifies contamination—something to be destroyed along with its user.

• Jo: The inventor. Jo's diary entries (chapters 12, 21, 32) reveal she used the zoetrope obsessively, first in the 1980s with Rabbit, then again when her brain tumor returned. She left the device and the dreamworm for Bridge as a legacy—but also as a burden.

Theme Connections

Grief and Letting Go – The zoetrope is what Bridge clings to after Jo's death. Each jump is an attempt to find Jo alive in another world. The device embodies the refusal to let go, which Dom challenges in chapter 33 by calling Bridge selfish. The final chapter (62) shows Bridge learning to use the zoetrope for warning instead of searching—a step toward acceptance.

Identity and Choice – Jumping into another self forces Bridge to confront versions of herself who made different choices: a single mother, a data-entry clerk, a sushi waitress. The zoetrope enacts the novel's question: Are we defined by our choices or our circumstances? Bridge's identity fragments and reforms through each jump.

Multiverse Ethics – The zoetrope raises ethical problems. Is it moral to "borrow" an otherself's body without consent? Bridge struggles with this in chapter 29, where she panics while kissing a girl. Dom explicitly questions the ethics in chapter 22. The zoetrope becomes a vehicle for exploring the limits of personal agency across realities.

Belief vs. Skepticism – The device only works if the user believes it will. Bridge's first attempt in chapter 3 fails because she "can't really remember" and doubts. Her second attempt in chapter 5 succeeds because she commits. Dom's journey in chapter 57 succeeds only after they stop fighting the experience. The zoetrope thus literalises the theme: belief opens doors; skepticism closes them.

Abuse and Survival – In chapter 48, Bridge feigns weakness to survive Franco's abuse. The zoetrope gives her an escape route—but also connects her to other selves who are victims. Amber's arc shows how the dreamworm/zoetrope system creates hunters and prey. The device is never neutral; it amplifies both vulnerability and power.

Study Questions and Answers

1. How does the zoetrope's function change for Bridge between her childhood and adult experiences?

In childhood, the zoetrope was part of a make-believe game with her mother; Bridge later dismissed it as a delusion. As an adult, she uses it intentionally after swallowing the dreamworm, confirming that the device genuinely transfers consciousness. The shift is from fantasy to proven technology.

2. What does the zoetrope reveal about Caden's character?

Caden treats the zoetrope as intellectual property to be exploited. He steals Jo's design, uses the device to plunder music from other selves, and hides Jo's note to Bridge. The zoetrope exposes his ambition, dishonesty, and fear of doors closing.

3. How does the zoetrope connect to the theme of belief vs. skepticism?

The device only triggers a jump when the user truly believes it will work. Bridge's first attempt with Dom fails because of doubt; her second succeeds when she commits fully. Dom's eventual success in chapter 57 comes after they stop resisting. The zoetrope enacts the novel's argument that belief is a prerequisite for transformation.

4. What ethical dilemmas does the zoetrope create for Bridge?

Each jump involves "borrowing" another self's body without consent, raising questions about autonomy and violation. Bridge panics in chapter 29 when she is making out with someone in an alternate reality. Later she wrestles with whether she has the right to use others' lives for her own quest. The zoetrope forces her to confront the ethics of using people as means to an end.