Publications
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Scaffolding Group Explanation and Feedback with Handheld Technology: Impact on Students’ Mathematics Learning
We compared group and individual learning feedback, using two technologies: (1) Technology-mediated, Peer-Assisted Learning and (2) a popular desktop product, which provides feedback to individual students as they solve fractions…
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Decameter Structure in Heater-Induced Airglow at the High Frequency Active Auroral Research Program Facility
On 28 October 2008, small-scale rayed artificial airglow was observed at the High frequency Active Auroral Research Program (HAARP) heating facility by the HAARP telescopic imager.
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Design and Performance of Single Photon APD Focal Plane Arrays for 3-D LADAR Imaging
We describe the design, fabrication, and performance of focal plane arrays (FPAs) for use in 3-D LADAR imaging applications requiring single photon sensitivity.
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Optically-pumped lasing of semipolar InGaN/GaN(1122) heterostructures
Results for long-wavelength emitters are presented for growth of semi-polar InGaN/AlGaN/GaN heterostructures on GaN(1122)/m-sapphire templates by metalorganic chemical vapor deposition (MOCVD).
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The “3D Wiki”: blending virtual worlds and web architecture for remote collaboration
In this paper we describe the technology behind our 3D Wiki, a system meant to address this problem.
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One experience collecting sensitive mobile data
We report on our efforts to collect behavioral data based on activities recorded by phones.
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New Impact Evidences Discovered in the Vicinity of Tai Lake, Southeast China: Indicating a Unique Impact Crater
Ejecta were discovered first and revive the impact origin hypothesis [3, 4 abstract of this meeting], and indicate an impact event of less than ten thousand years.
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All Shocked Meteorites Were Shocked at Significant Depth in Their Parent Bodies
We have recently realized that it is virtually impossible for a meteorite to survive strong shock unless it is well below the surface of a parent body.
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Callosal Microstructural Abnormalities in Alzheimer’s Disease and Alcoholism: Same Phenotype, Different Mechanisms
Magnetic resonance and diffusion tensor imaging data were acquired and midsagittal area, length, dorsoventral height, fractional anisotropy, and mean diffusivity of the total corpus callosum and volume of the lateral…
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5′-AMP-Activated Protein Kinase Activity is Elevated Early During Primary Brain Tumor Development in the Rat
We used an established model of brain tumor (glioma) development in the offspring of rats exposed prenatally to the mutagen N-ethyl-N-nitrosourea.
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Using Design Personas To Inform Refinements To Software For Science Learning
In this paper, we describe the process of creating personas to inform refinements to the design of software designed to help elementary students create concept maps of science topics they…
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Genome Sequence of the Necrotrophic Plant Pathogen Pythium Ultimum Reveals Original Pathogenicity Mechanisms and Effector Repertoire
Pythium ultimum is a ubiquitous oomycete plant pathogen responsible for a variety of diseases on a broad range of crop and ornamental species.