Before cinema was born, 19th-century audiences were captivated by remarkable 'optical toys.' The phenakistoscope, invented by Joseph Plateau in 1832, arranged sequential drawings around the edge of a spinning disc and used slits to view their reflection in a mirror — producing the uncanny illusion that still images had come to life.

It was the first commercially successful device to exploit the human eye's 'persistence of vision.' From there, it evolved into the cylindrical zoetrope and then the praxinoscope, which used mirrors to reduce flickering, becoming a centrepiece of bourgeois entertainment in 19th-century parlours. Though photography and film had yet to be married, these devices created 'movement that did not exist' through tricks of light and retina — making them the purest origin point of visual special effects.

The true power that elevated cinema from visual novelty to the dominant narrative medium of humanity was born not from dazzling special effects, but from the hands of an editor holding a pair of scissors. Early films were little more than stage plays recorded from a fixed camera, beginning to end. Then Edwin S. Porter invented cross-cutting in The Great Train Robbery (1903), alternating between events unfolding in different locations, and cinema's own distinctive grammar was born.

D.W. Griffith went on to interweave close-ups and wide shots, using frame size to control emotion. In the 1920s, Soviet filmmaker Sergei Eisenstein used Battleship Potemkin to demonstrate his 'montage' theory — the collision of two unrelated images generates a third meaning neither image contains alone. This principle became the foundational law of film editing.

Through the simple, almost violent act of physically cutting celluloid and splicing it back together with tape, directors gained the ability to compress or expand real time at will, and to architect imaginary spaces that had never existed. If visual special effects were magic tricks that deceived the eye, editing and montage were a divine power that rewrote the very rules of time and space.

Before computer graphics, the only way to put a giant monster or alien creature on screen was to move a physical model by hand. For King Kong (1933), Willis O'Brien photographed a 45-centimetre puppet — a wire armature covered in sponge and rabbit fur — shifting it millimetre by millimetre, one frame at a time.

This painstaking process — sometimes requiring 24 separate adjustments and exposures to produce a single second of footage — was called stop motion animation. O'Brien's protégé Ray Harryhausen elevated the technique to an art form. The three-minute sequence in Jason and the Argonauts (1963), in which live actors duel seven skeleton warriors, is considered the pinnacle of stop motion, combining miniatures with rear projection in extraordinary precision.

Stop motion survived into its own distinct narrative mode through clay animation (Wallace and Gromit) and puppet films (The Nightmare Before Christmas), and even in the age of full digital production, it endures — prized for its distinctive texture and analogue warmth.

Vast Gothic castles, ruined alien planets, armies stretching to the horizon — grand mise-en-scène impossible to build as practical sets fell to painters for much of the 20th century. Matte painting works by masking part of a large pane of glass, rendering an elaborately detailed background on the masked portion, then compositing live-action actors into the transparent space that remains.

The burning Atlanta station in Gone with the Wind and the cavernous hangar bay in The Empire Strikes Back were both illusions born of brush and paint. The parallel development of the optical printer — which physically and optically re-photographs multiple strips of film onto a single frame — allowed matte paintings, miniatures, and live footage to be seamlessly fused.

The special effects of this era demanded extreme craftsmanship bridging the shoot and the post-production lab. There was no Ctrl+Z; a single exposure error could condemn months of compositing work. These analogue practical effects were the frontline technology for extending the realism of the moving image.

Tron (1982) was a pioneering work in bringing CGI into mainstream cinematic storytelling, but the true seismic shift came in the early 1990s. When the liquid-metal T-1000 in James Cameron's Terminator 2: Judgment Day (1991) fluidly passed through iron bars, audiences felt the shock of digital imagery breaking the laws of physics.

The decisive turning point was Steven Spielberg's Jurassic Park (1993). Originally planned with stop motion, the dinosaurs were handed over to ILM (Industrial Light & Magic), whose CGI gave them the tremor of muscle and the texture of skin — living, breathing creatures. In that moment, the paradigm of special effects shifted irrevocably from analogue model-making to pure digital data.

The arrival of CGI liberated imagination completely from physical constraints. Toy Story (1995) became the first feature-length film made entirely in CGI, deploying a three-dimensionality and tactility that cel animation had never achieved, and overturning the entire animation market.

If CGI was about 'layering' digital images onto live footage after the fact, the latest special effects 'fuse' the real and the digital from the moment of photography. At the origin of this fusion is performance capture. Evolved from the technology that created Gollum in The Lord of the Rings, it reached a new threshold in Avatar (2009), synchronising the micro-movements of an actor's facial muscles directly onto a Na'vi character in real time, giving virtual figures a complete capacity for human performance.

The most recent visual revolution is 'virtual production,' which replaces the green screen entirely. Pioneered in Jon Favreau's series The Mandalorian, the technology projects a photorealistic 3D environment — built in a game engine such as Unreal Engine — onto a massive hemispherical LED screen called a Volume.

Under this system, the camera treats the virtual sunlight on the LED screen as its actual light source, and the perspective of the background shifts in real time to match the lens. What was once the province of post-production has moved into the shoot itself — an empty stage transforms, instantly and infinitely, into the heart of a universe.