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University of Pennsylvania

Video: Engineering student creates 3-D printer that extrudes chocolate

By Faye Oney / February 14, 2018

Happy Valentine’s Day! Today’s video features an engineering student who designed a 3-D printer that makes chocolate confections. He envisions his printer as an entertainment device for weddings and other social gatherings.

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‘Low temperature’ processing with electric field assisted sintering

By Eileen De Guire / June 4, 2013

Shrinkage during electric field assisted sintering can lead to debonding and cracking, as shown this sample of 8YSZ sintered at 840°C. Credit: Kim; JACerS; Wiley. When I started writing this, I was on my way—literally, at 34,000 feet somewhere over Arizona—to the PACRIM-GOMD meeting this week in San Diego. While there I will be dropping…

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Other materials stories that may be of interest

By Eileen De Guire / April 2, 2013

Strategic Materials Advisory Council cautions DOD against stockpiling Chinese rare earths The Strategic Materials Advisory Council has cautioned the Department of Defense to avoid the risky mitigation strategy of stockpiling strategic and critical materials from China. The DOD recently completed its biannual “Strategic and Critical Materials 2013 Report on Stockpile Requirements,” which recommended stockpiling $120.43…

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Other materials stories that may be of interest

By / January 15, 2013

Boltzmann distribution illustrated with balls distributed on a hilly landscape. At positive temperatures (left), as they are common in everyday life, most balls lie in the valley around minimum potential energy. They barely move and therefore also possess minimum kinetic energy. At infinite temperature (center) the balls spread evenly over low and high energies in…

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Other materials stories that may be of interest

By / October 30, 2012

This 3D image of a ceramic composite specimen imaged under load at 1,750°C shows the detailed fracture patterns that LBNL researchers are able to view using ALS Beamline 8.3.2. The vertical white lines are the individual silicon carbide fibers in this sample about 500 microns in diameter. Credit: LBNL. When you have some extra time,…

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Flying machines and falling men

By Eileen De Guire / February 10, 2012

University of Pennsylvania researchers demonstrate swarming capability with a fleet of saucer-sized flying robots. Credit: GRASP, U. Pennsylvania; You Tube. Two stories about flight flitted across my field of view this week. One makes a lot of sense to me; the other does not. But, don’t let me influence you. First up. The University of…

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New rules of engagement for universities leveraging IP assets?

By / September 13, 2011

BioPontis Alliance’s business model. Credit: BioPontis Alliance. I don’t know how generic the situation is (but I suspect it’s similar in materials fields), but a story in Nature Biotechnology—”New models emerge for commercializing university assets,” by Nuala Moran (doi:10.1038/nbt0911-774)—describes some of the dilemmas and responses universities and private industries engaged in biotech development are coming…

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Materials stories that may also be of interest

By / June 17, 2011

UC Santa Barbara researchers (see story below) were able to link Einstein’s general theory of relativity to a totally different area of physics and hope the tools will one day shed light on new types of superconductors. Credit: Jorge Santos. Check ’em out: How to outshine a quantum dot using inorganic silica shields to prevent…

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UPenn researchers find wrinkle in AFM nanoscale friction mystery

By / April 29, 2010

A group out of University of Pennsylvania’s Department of Mechanical Engineering and Applied Mechanics thinks it knows why, at nanoscales, the friction encountered by, say, an atomic force microscope, increases as the number of layers decrease: The AFM tip pushes material in front into sort of a wrinkle or wave in front, and stretches it…

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University of Pennsylvania’s Nano/Bio Center scoops $11.5M NSF grant

By / September 22, 2009

Good news came yesterday to the Nano/Bio Interface Center at the University of Pennsylvania when it learned it won an $11.5 million grant from the Nanoscale Science and Engineering Centers of the National Science Foundation. According to a Penn release, “the grant will support multidisciplinary research at Penn designed to explore and control the function…

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