Now showing items 1-20 of 2894

    • STAR_v117,15_May-05-2021 

      Houghton Star (Houghton College, 2021-05-05)
    • STAR_v117,14_April-23-2021 

      Houghton Star (Houghton College, 2021-04-23)
    • STAR_v117,13_April-16-2021 

      Houghton Star (Houghton College, 2021-04-16)
    • Design, Construction, and Testing of the Return Portion of a Closed Return Wind Tunnel 

      Langa, Bernardo Jr. (Houghton College, 2020-09-16)
      A low-speed closed-return wind tunnel is being designed and built at Houghton College. Preliminary efforts focused on choosing the layout and appropriately sizing the tunnel. Once this work was complete, individual components ...
    • Progress on the Houghton College Fusor 

      Raymond, Steven (Houghton College, 2020-06-06)
      Inertial electrostatic confinement (IEC) is an approach to controlled nuclear fusion that uses electrostatic fields to confine the plasma. One type of IEC device, similar to the “fusor” design described in the 1968 patent ...
    • Measurement of the Transverse Doppler Shift Using the Mössbauer Effect 

      Coats, Micah (Houghton College, 2020-05-15)
      An undergraduate experiment to measure the transverse Doppler shift in an accelerating reference frame using the Mössbauer effect is being designed at Houghton College. Since Einstein’s equivalence principle can also be ...
    • Development of a Parity Violation Experiment for Undergraduate Laboratories 

      Kratz, Josiah (Houghton College, 2020-05-11)
      An undergraduate experiment is being developed at Houghton College to measure weak nuclear parity violation. Parity violation, discovered in 1956-57 by Lee and Yang [1], and Wu [2], was a breakthrough in modern physics, ...
    • Modifications to the Houghton XRD 

      Olandt, Sarah (Houghton College, 2019-12-20)
      Modifications have been made to the Houghton College X-ray Diffractometer (XRD) which will be used for analysis of thin films. The Bragg-Brentano theta 2-theta XRD contains a Phillips-Norelco x-ray source powered by a 40 ...
    • Construction of a Low-Speed Closed-Return Wind Tunnel 

      Durbin, Jonathan (Houghton College, 2019-05-11)
      A small-scale, low-speed, closed-return wind tunnel is being designed and constructed at Houghton College to provide opportunities for further education and new research. Empirical correlations were used by previous ...
    • Measurement of Low-Energy Nuclear Cross Sections Using Inertial Confinement Fusion 

      Cook, Katelyn (Houghton College, 2019-05-11)
      Inertial confinement fusion is a tool that may be used to for fundamental nuclear science measurements. In the method under consideration, nuclear reaction products in the expanding neutral gas following the target implosion ...
    • Nozzle Design for a Small, Low-Speed, Closed-Return Wind Tunnel 

      Martin, Jeremy (Houghton College, 2019-05-03)
      Wind tunnels are used to characterize objects aerodynamically (e.g., measure lift and drag as a function of air velocity). They are critical in the design process of many products, including cars and planes. At Houghton ...
    • Modifications of XRD at Houghton College 

      Phillips, Heather (Houghton College, 2018-11-07)
      Modifications and safety features of a 40 kV Bragg–Brentano ?− 2? x-ray diffractometer (XRD) are being completed at Houghton College for the purpose of studying texture transformations in thin metal films. The sample and ...
    • Maximizing Corner Efficiency for a Low-Speed Closed-Return Wind Tunnel 

      Eager, Daniel (Houghton College, 2018-07-25)
      A low-speed closed-return wind tunnel is being designed and built at Houghton College. To aid in the design of the wind tunnel, empirical correlations were used to predict stagnation pressure losses in different sections ...
    • The Study of Nitinol Welds for Electric Generator and Design of SEM Strain Stage for In-Situ Nitinol Stress Testing 

      Ballard, Jonathan (Houghton College, 2018-07-04)
      Laser welded NiTi wires were analyzed using Scanning Electron Microscopy (SEM) for use in an electric generator that is being developed by Kellogg’s Research Labs. The welds between the NiTi shape memory alloy and its ...
    • Development of the Optical Feedback System of an Atomic Force Microscope 

      Kroening, Heidi (Houghton College, 2018-02-17)
      A low-cost atomic force microscope (AFM) is under development at Houghton College. Once operating, the AFM will be used to characterize the surface topography of thin metal films, providing image resolution on the order ...
    • A Parity Violation Experiment for Undergraduate Laboratories 

      Ganger, Michael (Houghton College, 2017-05-19)
      The discovery of parity violation in weak interactions was a foundational discovery of the 20th century, first proposed by Lee and Yang in 1956 and experimentally verified by Wu in 1957. Lee and Yang also proposed a simpler ...
    • Design and Construction of a Low Speed Wind Tunnel 

      Jaramillo, Jonathan (Houghton College, 2017-05-13)
      Despite advances in computational aerodynamics, wind tunnels are and will continue to be a cornerstone in the design process for a wide range of vehicles. This mostly stems from the difficulties of accurately and efficiently ...
    • Development and Integration of a Low Cost, High Voltage Power Supply Into a Thin Film Deposition System 

      Redman, Andrew (Houghton College, 2017-05-11)
      An apparatus was constructed to systematically deposit thin metal films using thermionic emission. Rough vacuum is reached by a rotary pump and a turbomolecular pump is used to lower the pressure to 3x10-7 Torr. Thermionic ...
    • Development of an X-Ray Diffractometer and Its Safety Features 

      Cady, Jordan (Houghton College, 2017-01-04)
      A Braggs-Brentano θ-2θ x ray diffractometer is being constructed at Houghton College to map the microstructure of textured, polycrystalline silver films. A Phillips-Norelco x ray source will be used in conjunction with a ...
    • Progress Towards a Cost-Effective Atomic Force Microscope 

      Yuly, Jonathon (Houghton College, 2016-07-12)
      Work towards the design and construction of an atomic force microscope (AFM) is underway at Houghton College. In addition to yielding strong educational value, this device is intended to be used in the characterization of ...