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How do you rebuild a film when parts of it are missing?

The 2010 restoration of Metropolis combined surviving material with evidence about the intended sequence. Newly recovered footage added scenes, but damaged or cropped images and remaining gaps raised separate problems. Finding a shot, placing it, and repairing its appearance are three different tasks.

8–10 min

Questions you could explore

  • What could a score, script, or censorship record contribute when the footage alone is incomplete?
  • How should a restoration make clear which parts come from surviving film and which are reconstructions?

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Arts and culture

How does perspective make a flat drawing look three-dimensional?

A drawing lies on a nearly flat surface, yet a few carefully angled lines can make it look like a long hallway stretching into the distance. In one-point perspective, receding parallel edges converge toward a single vanishing point on a horizon line, linking the flat drawing to a particular viewer's eye level.

3–5 min

How does perspective make a flat drawing look three-dimensional?

Arts and culture3–5 minA drawing lies on a nearly flat surface, yet a few carefully angled lines can make it look like a long hallway stretching into the distance. In one-point perspective, receding parallel edges converge toward a single vanishing point on a horizon line, linking the flat drawing to a particular viewer's eye level.

Arts and culture

Looking beneath a painting with infrared

The finished surface of an oil painting is not always the first version the artist drew on the panel. Because certain paint layers allow infrared light to pass through while carbon-based charcoal or ink absorbs it, infrared imaging can reveal hidden underdrawings and abandoned ideas beneath the visible masterpiece.

4–5 min

Looking beneath a painting with infrared

Arts and culture4–5 minThe finished surface of an oil painting is not always the first version the artist drew on the panel. Because certain paint layers allow infrared light to pass through while carbon-based charcoal or ink absorbs it, infrared imaging can reveal hidden underdrawings and abandoned ideas beneath the visible masterpiece.

Can a tradition be heritage without a building to preserve?

Arts and culture3–5 minA song, a craft skill, or a shared practice can be passed on without being fixed in stone. Intangible cultural heritage places importance on living knowledge and the communities that recognize and transmit it.

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