Publications
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Initial Ionospheric Observations Made By the New Resolute Incoherent Scatter Radar and Comparison to Solar Wind IMF
A summary of 8 days of observations is presented and 10 IMF Bz southward turning events during this period are analyzed in terms of the time delay of plasma density enhancements and…
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Hygroscopic Salts and the Potential for Life on Mars
We modeled the climate conditions in a region on Mars with chloride-bearing evaporites, and modeled the evolution of the water activity of the deliquescence solutions of three possible chloride salts…
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Middle School Student Mathematics Learning: An Analysis of a Student Population in Texas
We examined the population of students who participated in the seventh-grade year 1 randomized controlled experiment in Texas designed to test the effectiveness of SimCalc in improving student mathematics learning…
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Validity of Recall of Tobacco Use in Two Prospective Cohorts
This project studied the convergent validity of current recall of tobacco-related health behaviors, compared with prospective self-report collected earlier at two sites.
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Termination of Rewriting with Right-Flat Rules Modulo Permutative Theories
We present decidability results for termination of classes of term rewriting systems modulo permutative theories.
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High-Enthalpy Test Environments, Flow Modeling and in Situ Diagnostics for Characterizing Ultra-High Temperature Ceramics
We describe the test environments generated by two types of these ground test facilities – subsonic inductively coupled plasma tunnels and supersonic arc-jet tunnels – and discuss the important roles…
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Spoken Proper Name Retrieval for Limited Resource Languages Using Multilingual Hybrid Representations
In this paper, we present our research efforts towards multilingual spoken information retrieval with limitations in acoustic training data.
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Detection, Correlation, and Visualization of Attacks Against Critical Infrastructure Systems
We present some results of the Detection and Analysis of Threats to the Energy Sector project, wherein we adapted and developed several intrusion detection technologies for control systems.
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Synthesis of Carbon-Rich Hafnia Thin Films By Pulsed Laser Deposition
We explored direct synthesis of carbon-rich hafnia, which is known to form as a compact interlayer in the oxide scales of oxidized hafnium carbide.
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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.