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Columbia University

Two-Dimensional Semiconductor Comes Clean

by Columbia University
In 2013 James Hone, Wang Fong-Jen Professor of Mechanical Engineering at Columbia Engineering, and colleagues at Columbia demonstrated that they could dramatically improve the performance of graphene—highly conducting two-dimensional (2D) carbon—by encapsulating it in boron nitride (BN), an insulating material with a similar layered structure. In work published this week in the Advance Online Publication on Nature Nanotechnology’s website, researchers at Columbia Engineering, Harvard, Cornell, University of Minnesota, Yonsei University in Korea, Danish Technical University, and the Japanese National Institute of Materials Science have shown that the performance of another 2D material—molybdenum disulfide (MoS2)—can be similarly improved by BN-encapsulation.

Professor Invents Video Camera that Runs Without a Battery

by Columbia University
A research team led by Shree K. Nayar, T.C. Chang Professor of Computer Science at Columbia Engineering, has invented a prototype video camera that is the first to be fully self-powered—it can produce an image each second, indefinitely, of a well-lit indoor scene. They designed a pixel that can not only measure incident light but also convert the incident light into electric power. The team is presenting its work at the International Conference on Computational Photography at Rice University in Houston, April 24 to 26.

New High-Speed 3D Microscope—Scape—Gives Deeper View of Living Things

by Columbia University
Opening new doors for biomedical and neuroscience research, Elizabeth Hillman, associate professor of biomedical engineering at Columbia Engineering and of radiology at Columbia University Medical Center (CUMC), has developed a new microscope that can image living things in 3D at very high speeds. In doing so, she has overcome some of the major hurdles faced by existing technologies, delivering 10 to 100 times faster 3D imaging speeds than laser scanning confocal, two-photon, and light-sheet microscopy.

Radiator Labs Wins Popular Science Magazine's Annual Invention Award

by Columbia University
For more than two years, Marshall Cox PhD’13 and John Kymissis, associate professor of electrical engineering, have been working on their startup Radiator Labs. Their first consumer product—the Cozy—is now in production and set for delivery next fall, just in time for winter’s cold blasts. And also just in time to win Popular Science Magazine's Annual Invention Awards as one of the most exciting innovations the PopSci editors have seen this past year.

Using Data Science Tools to Discover New Nanostructured Materials

by Columbia University
Researchers at Columbia Engineering, led by Chemical Engineering Professors Venkat Venkatasubramanian and Sanat Kumar, have developed a new approach to designing novel nanostructured materials through an inverse design framework using genetic algorithms.