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Curated Video
The Fascinating World of Chromium
In this video, the teacher provides a detailed description of the element chromium. They explain its chemical symbol and atomic number, as well as its physical properties such as its gray, shiny, and hard nature. The teacher explains the...
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Kokomo Opalescent Glass: Hot Glass Studio
This video demonstrates the process of glassmaking. [13:15]
Khan Academy
Khan Academy: Glassmaking Technique: Mold Blown Glass
Mold-blown glass is made by blowing hot glass into a mold made of clay, wood, or metal. Watch a glassmaker use a mold with incised designs (footage [1:48] from the Corning Museum of Glass).
Khan Academy
Khan Academy: Glassmaking Technique: Free Blown Glass
Ancient glass makers near Jerusalem discovered they could inflate hot glass to make vessels quickly and more cheaply. Watch this ancient technique of free-blown glass (footage [2:04] from the Corning Museum of Glass). Created by Getty...
Khan Academy
Khan Academy: Roman Mold Blown Glass
Mold-blown glass is forced against the inner surfaces of a mold and assumes its shape. Watch this video [1:28] to see this ancient process (footage courtesy of Mark Taylor and David Hill-the Roman Glassmakers). Created by Getty Museum.
Khan Academy
Khan Academy: Glassmaking Technique: Core Formed Glass
Core-formed glass is one of the earliest glassmaking techniques. Watch a glassmaker shape a vessel, add colored trails, handles, and a rim (footage [2:07] from the Corning Museum of Glass).
Khan Academy
Khan Academy: Glassmaking Technique: Mosaic Glass
In this video [2:51] watch a glassmaker create a mosaic glass bowl (footage from the Corning Museum of Glass).
Khan Academy
Khan Academy: Glassmaking Technique: Gold Glass
Gold glass is made by sealing gold foil between layers of glass. In the 1500s, circular gold glass was found in the walls of ancient Roman tombs (footage from the Corning Museum of Glass).
Khan Academy
Khan Academy: Glassmaking Technique: Cameo Glass
Ancient Roman cameo glass layers different colors of glass. The top layer is partly cut away to create a design of contrasting color (footage [2:38] from the Corning Museum of Glass).