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Engineering, Science, & Technology

Creating, innovating, addressing challenges, solving problems, and improving the quality of lives in society.

According to the currently prevailing cosmological paradigm, mergers between galaxies are an important part of their evolution. Assuming also that most galaxies contain a supermassive black hole at their center, binary supermassive black holes (BSBH) should be common products of galactic mergers. The subject of... READ MORE
The rapid proliferation of consumer small unmanned aerial systems (sUASs) has expanded ownership to include amateurs and professionals alike. These platforms in combination with numerous open source and proprietary applications tailored to gather aerial imagery and generate 3D point clouds and meshes from aerial... READ MORE
Groundwater contamination is an extremely important topic in environmental science. Ex-situ removal of contaminants is costly and largely ineffective on contaminants that have high vapor pressures and readily mix with water. Bioremediation or bio-augmentation are attractive alternative ways to remediate a site, as they... READ MORE
Controlled doping of semiconductor material with high atomic accuracy and minimum defects in silicon is needed for next generation nanoscale and solar devices. The molecular monolayer doping (MLD) strategy is a novel technique based on the formation of self-assembled monolayer of dopant –containing molecule... READ MORE
The Smart Grid (SG) is an emerging modernized electrical power system with advanced monitoring and control mechanism, and improved faulttolerance. The SG converges traditional power grid with a bidirectional communication and information system into the same infrastructure. Electric Vehicles (EVs), with their energy storage... READ MORE
Carbon nanotube arrays have been found to be highly effective at carrying out intracellular delivery of cargo at high efficiencies while ensuring cell viability. Template based chemical vapor deposition is a commonly used process to fabricate these arrays. However, current etching methods used to... READ MORE
Processors and embedded systems perform algebraic manipulations such as addition, subtraction, multiplication and division on integers in order to complete and execute programs. Unfortunately, most division cores in these devices take significantly more time to compute than other manipulations. Because of this, research has been... READ MORE
The Army Research Lab conducted a persistent imaging experiment called the Spectral and Polarimetric Imagery Collection Experiment (SPICE) in 2012 and 2013 which focused on collecting and exploiting long wave infrared hyperspectral and polarimetric imagery. A part of this dataset was made for public... READ MORE
Although joysticks on motorized wheelchairs have improved the lives of so many, patients with Parkinson's, stroke, limb injury, or vision problems need alternate solutions. Further, navigating wheelchairs through cluttered environments without colliding into objects or people can be a challenging task. Due to these... READ MORE
Silicon Photonics is a promising new technology for realizing efficient, high performance interconnects. There is a growing need for educating future engineers on how to design, fabricate, package and test silicon photonic circuits. Silicon photonic processing for an educational institution with i-line lithography capabilities... READ MORE
Autonomous, self-navigating agents have been rising in popularity due to a push for a more technologically aided future. From cars to vacuum cleaners, the applications of self-navigating agents are vast and span many different fields and aspects of life. As the demand for these autonomous... READ MORE
The prevailing model of structure formation that describes how matter is distributed throughout the Universe is known as the Lambda Cold Dark Matter paradigm. A key component of this paradigm is dark matter, which has so far gone undetected in laboratory experiments but is... READ MORE
Video understanding has become increasingly important as surveillance, social, and informational videos weave themselves into our everyday lives. Video captioning offers a simple way to summarize, index, and search the data. Most video captioning models utilize a video encoder and captioning decoder framework. Hierarchical encoders... READ MORE
Amorphous oxide semiconductors (AOS) have been extensively studied for their application in thin-film electronics; an area which is currently dominated by hydrogenated amorphous silicon (a Si:H) technology. Indium-gallium-zinc oxide (IGZO) has garnered most of the AOS materials focus due to its high carrier mobility and... READ MORE
Selecting the capacity of a central air conditioning (AC) system is based on a long list of structural factors within a home, but is normally chosen without considering effects on stakeholders outside of the home. Energy use by residential air conditioners is relevant to... READ MORE
Industries are aware of the costs of high electricity consumption and its impact on the environment. Therefore, significant focus is given on how to reduce the consumption of electricity to lower both the carbon footprint and the cost of electricity. There are two ways... READ MORE
A three-dimensional (3D) cell culture system provides an effective platform to study cell dynamics in in vivo-mimicking conditions and thus plays an important role in understanding cell biology, organ function, and disease model. This dissertation investigates cell dynamics in a variety of 3D environments... READ MORE
Metal-oxide chemical sensor technology has been praised as a cheap and efficient method of detecting both reducing and oxidizing gases depending on the metal-oxide’s carrier type. The research conducted in this thesis explored methods of enhancing the sensitivity of an n-type metal-oxide material (indium... READ MORE
Organic photovoltaics (OPV) offer great promise as a low-cost renewable energy source, the relative low efficiency still challenges its commercialization potential. Small conjugated molecules like Squaraine (SQ) molecules show promising advancement in organic photovoltaics (OPV). Advantages of SQ over other materials is that it... READ MORE