Bulletin of the American Physical Society
2014 Annual Fall Meeting of the APS Ohio-Region Section
Volume 59, Number 13
Friday–Saturday, October 24–25, 2014; Portsmouth, Ohio
Session B2: Applied and Other Physics |
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Chair: Kyle Vick, Shawnee State University Room: Advanced Technology Center 124 (Planetarium) |
Friday, October 24, 2014 1:30PM - 1:42PM |
B2.00001: The Measurement of the Radioactivity in an Outcrop of Ohio Shale Ignacio Birriel, Lacee Pyles Ohio Shale is a fragmented rock that is part of the black organic shale family that is found all over Kentucky. An outcrop of Ohio Shale, found in the northern part of Cave Run Lake, was used for this study. The outcrop can be split into two parts, the first consisting of only Ohio Shale while the second part consisting of the bottom most layer being the Ohio Shale covered by a non-radioactive Three-Lick bed. Along the bottom of the outcrop measurements were made of only Ohio Shale while along the surface of the outcrop measurements consisted of both the uncovered Ohio Shale and the Ohio Shale covered by a layer of Three-Lick bed were made. A GAMMA-SCOUT radioactive detector was used to measure the radioactivity. It is standard radiation detector with a halogen filled Geiger-M\"{u}ller counter tube. This talk will discuss the radioactivity measured of this outcrop. [Preview Abstract] |
Friday, October 24, 2014 1:42PM - 1:54PM |
B2.00002: Mechanics of the Battery in Baseball Aaron Goe, Ignacio Birriel The term ``battery'' in baseball refers to both the pitcher and catcher as a unit. They work together but have very specific and different defined roles. This study investigates the properties needed to throw out a runner trying to steal second base. The role of a pitcher is to disrupt the timing of the runner while also trying to get the hitter out. The catcher has many roles, one of which is to throw out runners stealing a base. A pitcher is typically trying to throw the ball with as much force as he can because he has as much time as he wants to deliver the ball to home plate. The catcher on the other hand does not have much time to throw out a base runner and therefore must have a quick throw to second. This study analyzes these different throwing mechanics and the timing required to get the baseball to second base. This will lead to a further investigation of understanding everything that goes on during a stolen base from the pitcher, to the catcher throwing to second, and the runner trying to steal the base. [Preview Abstract] |
Friday, October 24, 2014 1:54PM - 2:06PM |
B2.00003: Multicopter Based Small Format Aerial Photography to Free and Open Source Open Source Photogrammetry Robert Davis A process is described to convert multicopter based small format aerial photography from flat images to 3 dimensional point clouds and then rasterized into height maps to be used as pseudo digital elevation models for surface modeling. All software used in the process is either free or open source. The process uses Canon Point and Shoot cameras with Canon Hacker's Development Kit installed as the image collection platform. One camera is unaltered, and the other camera is modified to remove the near infrared filter. A DJI Phantom FC-40 multicopter is used as the aerial platform to carry the cameras. Multiple paths are described to convert from still images (or video to still images) to N-view matches, followed by sparse point clouds then dense point clouds. The dense point clouds can be converted into 3D models for viewing and analysis. A height map is extracted from the point cloud and rasters are created and then used in QGIS or ArcMap as pseudo digital elevation models for surface modeling. [Preview Abstract] |
Friday, October 24, 2014 2:06PM - 2:18PM |
B2.00004: Fluorescence of Laser Pointer Light by ``Neon'' Pigments Clarissa Roe, Jennifer Birriel In a short paper to the Physics Teacher, Matt Lowry reports on a serendipitous discovery that a green laser pointer will appear yellow when incident upon a neon pink plastic clipboard. After a cursory examination of the spectrum of the reflected yellow dot, Lowry concludes that the green laser causes fluorescent emission in the pink plastic. The dot appears yellow as a result of the combined spectrum of the fluorescent emission. Here we explore the fluorescence of green and violet lasers incident on a variety of ``neon'' clipboards and ``neon'' papers. We find that the reflected light can range in color from yellow to orange to magenta. We examine the spectra of these reflected dots using an RSPEC Explorer Spectrometer. We explain the observed reflected colors and find that the general shape of the fluorescence spectrum is independent of the excitation wavelength, so long as the given object absorbs those wavelengths. We discuss this investigation in the context of similar investigations of fluorescence due to laser pointer light and discuss the use of such experiments in an educational setting. [Preview Abstract] |
Friday, October 24, 2014 2:18PM - 2:30PM |
B2.00005: The challenges of working with middle school teachers Gordon Aubrecht There are multiple challenges in working with middle school teachers. Content knowledge is problematic. Basically, middle school teachers should have a master's in geology, biology, physics, and chemistry---and be able to work effectively with adolescents! Obviously, this is far from reality. Colleges of education fail to prepare teachers for the reality of the administrative-driven classroom. Inquiry is lectured about but not practiced. The granting agencies want quantitative data, but how does one provide these data? The talk will discuss these issues and some possible solutions we developed. [Preview Abstract] |
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