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 by Staff Writers New Rochelle, NY (SPX) Dec 28, 2018
A novel additive manufacturing platform was used for the digital fabrication of transparent glass at industrial scale. The G3DP2 platform, developed by MIT scientists and used to turn molten glass into 3-meter tall columns, is described in an article published in 3D Printing and Additive Manufacturing, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. Click here to read the full-text article free on the 3D Printing and Additive Manufacturing website through January 27, 2019. In the article entitled "Additive Manufacturing of Transparent Glass Structures," Chikara Inamura, Michael Stern, Daniel Lizardo, Peter Houk, and Neri Oxman, Massachusetts Institute of Technology, Cambridge, MA discuss the early G3DP2 printer, which was used to provide proof of concept of the feasibility of creating transparent objects through the deposition of molten glass. The researchers then describe the complete redesign of the system, upgrading it to an industrial platform capable of achieving architectural output. The four objectives of the upgraded G3DP2 platform were increased speed and scale and improved repeatability and reliability. The scientists report on how to understand and control the behavior of the printed glass, the specifications, engineering and control of the platform, and the product design space.
Droplet clustering inside clouds confirmed by airborne digital holography Houghton MI (SPX) Dec 21, 2018 Like raindrops streaking across the windows of your car while you drive through a rainstorm, water droplets in clouds travel in airflow streamlines - following currents of air usually without touching. However, the air inside clouds tends to be turbulent, as any nervous flier can attest to, and swirling turbulent air causes droplets to cluster. For 20 years, atmospheric scientists have conjectured that water droplets do indeed cluster inside clouds, largely owing to the knowledge that turbulent ai ... read more
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