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Raku — ceramics
Pottery is fired normally but removed when it is red hot and the glaze is molten. It is then usually placed in a bed of
combustible materials and covered, creating intense reduction resulting in irregular surfaces and colors.
Reduction — ceramics
A firing atmosphere with inadequate oxygen and large amounts of carbon (smoke or unburned fuel). What would have been copper
oxide in an oxidation atmosphere will be pure copper in reduction. Reduction allowed the Chinese to develop the sangue de beouf
red glazes and gives Raku its metallic finishes. Compare to Oxidation.
Reticello — art glass, handblown glass
An Italian term for crisscrossed glass canework. Glass canes are heated, twisted in one direction, and blown into the form of a
cup and then set into an oven. An identical second cup is made except the glass cane is twisted in the opposite direction. One
cup is then blown into the inside of other. When the two cups come together to form one, the grooves between the cane rods are
sealed, causing air bubbles to lock into the crisscrossed pattern. The result can then be blown and formed into the final shape.
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