The surrounding area consists of salt lakes and salt flats in the desert. Egyptian blue luminesces (appears to glow as it emits light) in the infrared range, and recent experiments have shown that finely ground (or "micronized") Egyptian blue can be used as a fingerprint dusting powder ( read the article). Wadi El-Natron is located 100 km northwest of Cairo and is built in a natural depression in the western desert. The furnace was heated to 850 to 1,000 degrees Celsius, causing the mixture to solidify into a blue, glassy lump called “frit” that could be ground into a pigment.Įgyptian blue ceased to be used as a pigment with the fall of the Roman Empire, but modern researchers are discovering new applications for it.Its interface and functionally are the same across all platforms such as macOS, Linux and Windows. Its robust OIIO file formats and OpenFX architecture is what make Natron the most flexible open source compositor for the visual effects community.
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