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Can a tradition be heritage without a building to preserve?

A 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.

3–5 min

Questions you could explore

  • How can a physical object and a living skill belong to the same tradition?
  • What is the difference between recognizing heritage and listing it with UNESCO?

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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.

Arts and culture

Animating a character one frame at a time

In stop-motion animation, puppets and clay models never actually move while the camera's shutter is open. Instead, animators make tiny physical adjustments between individual still photographs, relying on the spacing between poses and the playback frame rate to make our brains perceive continuous motion.

5–7 min

Animating a character one frame at a time

Arts and culture5–7 minIn stop-motion animation, puppets and clay models never actually move while the camera's shutter is open. Instead, animators make tiny physical adjustments between individual still photographs, relying on the spacing between poses and the playback frame rate to make our brains perceive continuous motion.

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