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Clean Smell Doesn't Always Mean Clean Air

A researcher in Drexel’s College of Engineering is taking a closer look at aerosol formation involving an organic compound called limonene that provides the pleasant smell of cleaning products and air fresheners. His research will help to determine what byproducts these sweet-smelling compounds are adding to the air while we are using them to remove germs and odors.

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A New Look at AC-DC

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Feeding the world’s energy appetite may take innovative approaches in the future. A book by Nilanjan Ray Chaudhuri, assistant professor of electrical and computer engineering at North Dakota State University, Fargo, is the first text of its kind to examine methods to bring offshore wind energy on shore to power industry, homes and businesses. “Multi-terminal Direct Current Grids: Modeling, Analysis, and Control,” is published by the Wiley-IEEE Press.

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How Engineering Could Help You Survive a Zombie Apocalypse

The syllabus of a recent Operations Research course taught by Dr. Ivan G. Guardiola at Missouri University of Science and Technology seems to have more in common with a script from the TV series “The Walking Dead” than with a typical upper-level class for engineering management majors.

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Super Stable Garnet Ceramics May Be Ideal for High-Energy Lithium Batteries

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Scientists have discovered exceptional properties in a garnet material that could enable development of higher-energy battery designs.

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See-Through Sensors Open New Window Into the Brain

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Developing invisible implantable medical sensor arrays, a team of University of Wisconsin-Madison engineers has overcome a major technological hurdle in researchers’ efforts to understand the brain. The team described its technology, which has applications in fields ranging from neuroscience to cardiac care and even contact lenses, in the Oct. 20 issue of the online journal Nature Communications.

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Medicine

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First Step: From Human Cells to Tissue-Engineered Esophagus

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In a first step toward future human therapies, researchers at The Saban Research Institute of Children’s Hospital Los Angeles have shown that esophageal tissue can be grown in vivo from both human and mouse cells.

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Engineers Find a Way to Win in Laser Performance by Losing

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Engineers at Washington University in St. Louis have shown a new way to reverse or eliminate loss by, ironically, adding loss to a laser system to actually reap energy gains.

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Researchers Develop World’s Thinnest Electric Generator

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Researchers from Columbia Engineering and the Georgia Institute of Technology report today that they have made the first experimental observation of piezoelectricity and the piezotronic effect in an atomically thin material, molybdenum disulfide (MoS2), resulting in a unique electric generator and mechanosensation devices that are optically transparent, extremely light, and very bendable and stretchable.

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ORNL Research Reveals Unique Capabilities of 3-D Printing

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Researchers have demonstrated an additive manufacturing method to control the structure and properties of metal components with precision unmatched by conventional manufacturing processes.

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New ORNL Electric Vehicle Technology Packs More Punch in Smaller Package

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Using 3-D printing and novel semiconductors, researchers have created a power inverter that could make electric vehicles lighter, more powerful and more efficient.

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