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Is the decoration above the glaze or underneath it?

The color on a ceramic surface can occupy different layers. Underglaze decoration lies beneath the covering glaze, while overglaze decoration is added to an already glazed surface, changing the firing demands.

3–5 min

Questions you could explore

  • Why does the order of the layers matter?
  • What can those labels tell us without establishing how a particular vessel was made?

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Arts and culture

How does a flat drawing make a corridor look deep?

Lines drawn on a flat page can suggest a hallway extending into the distance. In one-point perspective, receding edges relate to a vanishing point and a horizon, linking the drawing to a particular viewpoint.

3–5 min

How does a flat drawing make a corridor look deep?

Arts and culture3–5 minLines drawn on a flat page can suggest a hallway extending into the distance. In one-point perspective, receding edges relate to a vanishing point and a horizon, linking the drawing to a particular viewpoint.

Arts and culture

What can infrared reveal beneath a painting?

A finished painting can conceal decisions made before its visible surface took shape. Infrared imaging sometimes reveals earlier marks, but what appears depends on how the different materials interact with the light.

4–5 min

What can infrared reveal beneath a painting?

Arts and culture4–5 minA finished painting can conceal decisions made before its visible surface took shape. Infrared imaging sometimes reveals earlier marks, but what appears depends on how the different materials interact with the light.

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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