• The key to this kind of 3D printing is that the printing head needs to be very hot -- 1900 degrees fahrenheit, according to the researchers. There aren't a ton of other details, but it's being developed by a group called Micron3DP.
  • The coolest thing about this procedure is that the researchers found they had fairly precise control over the light properties of the finished product, including whether it transmits, reflects or refracts light.
  • According to the researchers, 3DGP "is based on a dual heated chamber concept. The upper chamber acts as a Kiln Cartridge while the lower chamber serves to anneal the structures. The Kiln Cartridge operates at approximately 1900°F and can contain sufficient material to build a single architectural component. The molten material gets funneled through an alumina-zircon-silica nozzle."

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