This paper describes the design and implementation of a lowcost portable tabletop to be used in classrooms. This solution enables pen and touch interactions over a projected canvas. Twelve users participated in a user study that gauged the system’s effectiveness to support drawing and moving objects on the surface. Additionally, a stress test to evaluate users’ identification was conducted. Res...

Fit the nozzle of a 4 oz. or 8 oz. glass syringe into a Jacques' catheter of the required size and charge the catheter and the syringe with weak iodine solution. Introduce the catheter into the bottom of the cavity to be drained. Inject the solution slowly into it and draw the contents of the cavity into the syringe. Take the syringe out, leaving the catheter still in the cavity, and throw out ...

A microbial electrolysis cell (MEC)-forward osmosis (FO) system was previously reported for recovering ammonium and water from synthetic solutions, and here it has been advanced with treating landfill leachate. In the MEC, 65.7±9.1% of ammonium could be recovered in the presence of cathode aeration. Without aeration, the MEC could remove 54.1±10.9% of ammonium from the leachate, but little ammo...

This paper highlights the importance of validating Computational Fluid Dynamics (CFD) results from a configuration as close as possible to the subject of our research and application. The validation allows us to optimize the choice of various CFD modeling parameters such as gas flow, grid resolution and solution methodology. The validation is based on comparison between our simulated results an...

The tropical Grassmannian parameterizes tropicalizations of ordinary linear spaces, while the Dressian parameterizes all tropical linear spaces in TP. We study these parameter spaces and we compute them explicitly for n ≤ 7. Planes are identified with matroid subdivisions and with arrangements of trees. These representations are then used to draw pictures.

In this paper, we study how human observers judge image similarity. To do so, we have conducted two psychophysical scaling experiments and have compared the results to two algorithmic image similarity metrics. For these experiments, we selected a set of 97 digitized photographic images which represent a range of semantic categories, viewing distances, and colors. We then used the two perceptual...