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Articles 31 - 60 of 79

Full-Text Articles in Physics

Magnetic Memory: Data Storage And Nanomagnets, Mark Tuominem Jan 2015

Magnetic Memory: Data Storage And Nanomagnets, Mark Tuominem

Nanotechnology Teacher Summer Institutes

An overview of magnetic data storage and a simple activity.


Producing Electricity With Solar Cells, Chris Emery, Rob Snyder Jan 2015

Producing Electricity With Solar Cells, Chris Emery, Rob Snyder

Science and Engineering Saturday Seminars

No abstract provided.


Two-Dimensional Electron Gases At The Surface Of Potassium Tantalate, Ben Pound Sep 2014

Two-Dimensional Electron Gases At The Surface Of Potassium Tantalate, Ben Pound

Ben Pound

No abstract provided.


Two-Dimensional Electron Gases At The Surface Of Potassium Tantalate, Ben Pound Aug 2014

Two-Dimensional Electron Gases At The Surface Of Potassium Tantalate, Ben Pound

Browse All Undergraduate research

No abstract provided.


Open Source Electronics For Laboratory Physics, Zengqiang John Liu Jul 2014

Open Source Electronics For Laboratory Physics, Zengqiang John Liu

Physics and Astronomy Faculty Presentations

Open-source electronics are electrical circuits and devices whose designs are released to the public by the designers, so others may modify and improve them. Using open-source data acquisition electronics in laboratory physics will dramatically reduce the cost of laboratory electronics and empower instructors to develop new laboratory activities, demonstrations and exploratory projects with students. This workshop will improve participants' understanding of open-source electronics and their applications in laboratory physics. Many laboratory physics sensors and open-source devices will be introduces and demonstrated. The workshop provides hands-on experiences in projects using laboratory physics sensors with an award-winning, low-cost, open-source electronic data acquisition ...


Microwave Properties Of Magnetic Nanowires Arrays, Daniel Adams Apr 2014

Microwave Properties Of Magnetic Nanowires Arrays, Daniel Adams

Innovate UNO

This study focused on examining high-frequency properties of magnetic nanowire arrays. The microwave was produced by a Vector Network Analyzer (VNA) and transmitted through coplanar waveguides (CPW). The CPWs are 300 µm long with signal line width of 20 µm, ensuring minimum losses due to radiation. CPWs were fabricated through the photolithography process. The magnetic nanowires were fabricated through e-beam lithography on top of the CPW. The VNA was used to feed the CPW and measurements of the FMR absorption allowed us to understand the effect of interaction between nanowires on their dynamic properties.


Imaging Molecular Structures With Atomic Force Microscopy, Unurbat Erdenemunkh, Tyler Flanagan Oct 2013

Imaging Molecular Structures With Atomic Force Microscopy, Unurbat Erdenemunkh, Tyler Flanagan

Student Works

As part of the LEEP project we repaired the Atomic Force Microscopy (AFM), and wrote a user manual on using AFM. Then we scanned Self Assembly of Copolymer Films collaboration with Prof. Sergio Granados –Focil and Copper Oxide Nanocubes with Professor Prof.Luis Smith.


Pre-Breakdown Arcing In Dielectrics Under Electric Field Stress, Allen Andersen, Jr Dennison Oct 2013

Pre-Breakdown Arcing In Dielectrics Under Electric Field Stress, Allen Andersen, Jr Dennison

Graduate Student Presentations

No abstract provided.


Electrostatic Discharge In Solids, Allen Andersen, Jr Dennison Oct 2013

Electrostatic Discharge In Solids, Allen Andersen, Jr Dennison

Graduate Student Presentations

No abstract provided.


Charge Transport And Electrical Degradation Research For Power Grid Applications, Allen Andersen, Jr Dennison Apr 2013

Charge Transport And Electrical Degradation Research For Power Grid Applications, Allen Andersen, Jr Dennison

Graduate Student Presentations

No abstract provided.


Session E-4: What's Up With The Higgs Boson? Teaching Particle Physics In High School, Peter Dong Mar 2013

Session E-4: What's Up With The Higgs Boson? Teaching Particle Physics In High School, Peter Dong

Professional Learning Day

Best-selling books, popular PBS specials, and multi-billion-dollar machines all attest to the fascination with particle physics - including many teenagers. Physics and physical science classes can capitalize on this interest by talking about high-profile results, such as last summer's Higgs Boson Discovery. This session will answer some basic questions about contemporary particle physics and suggest some ideas for lessons and projects in particle physics.


Making Solar Cells, D. Venkataraman Jan 2013

Making Solar Cells, D. Venkataraman

Nanotechnology Teacher Summer Institutes

Overview of solar energy and photovoltaic cells. Making a cuprous oxide cell activity.


Merrill-Cazier Library Gas Exhibition, Betty Rozum, Andrew Wesolek, Pamela N. Martin Dec 2012

Merrill-Cazier Library Gas Exhibition, Betty Rozum, Andrew Wesolek, Pamela N. Martin

Andrew Wesolek

This exhibition, presented in the Merrill-Cazier Library, captured the history and accomplishments of the GAS program. Click the download button to see a PowerPoint presentation featuring images and text from the exhibition.


Merrill-Cazier Library Gas Exhibition, Betty Rozum, Andrew Wesolek, Pamela N. Martin Jul 2012

Merrill-Cazier Library Gas Exhibition, Betty Rozum, Andrew Wesolek, Pamela N. Martin

Education and Outreach

This exhibition, presented in the Merrill-Cazier Library, captured the history and accomplishments of the GAS program. Click the download button to see a PowerPoint presentation featuring images and text from the exhibition.


Comparison Of Saber Oh Measurements To Rocket Photometry Data, Jordan Rozum, Gene A. Ware, Doran J. Baker Apr 2012

Comparison Of Saber Oh Measurements To Rocket Photometry Data, Jordan Rozum, Gene A. Ware, Doran J. Baker

Browse All Undergraduate research

No abstract provided.


Session E-1: Self-Paced Proficiency Based Physics – Updates And Extensions, Brooke Schmidt, Eric Hawker Mar 2012

Session E-1: Self-Paced Proficiency Based Physics – Updates And Extensions, Brooke Schmidt, Eric Hawker

Professional Learning Day

This presentation will cover how a typical introductory physics course has been transformed into one that is self-paced and proficiency graded. The changes were made so that each student would be challenged at his/her level and therefore be more engaged in the course. This structure allows the teacher to individualize instruction of the students. The presentation will also cover adjustments that were made to this model based on student feedback and experiences. The model used to make this course self-paced and proficiency graded should be transferable to other courses.


Session D-6: Teaching Modern Physics, Peter Dong Mar 2012

Session D-6: Teaching Modern Physics, Peter Dong

Professional Learning Day

Modern physics is an excellent way to get students interested in physics – the “weirdness” of relativity and quantum mechanics captures the imagination. This presentation discusses how to teach the subject in a way that encourages this interest. This year’s session will focus on teaching quantum mechanics in a way that is interesting to students and avoids common misconceptions.


The Dream Is Alive, Mark T. Vande Hei Jan 2012

The Dream Is Alive, Mark T. Vande Hei

Physics Lectures

Lt. Colonel Mark Vande Hei earned a Bachelor of Arts degree in Physics from St. John’s University (1989), ROTC commissioning in the U.S. Army, and a Master of Science degree in Applied Physics from Stanford University (1999). Mark has served and trained in many locations around the world, and taught Physics at the U.S. Military Academy, West Point, New York. Joining NASA’s Mission Control Center in 2006, Mark specialized in spacecraft communications. He was selected in 2009 as a member of the 20th NASA astronaut class, completed his training in June, 2011, and is now qualified ...


Wind Power, Susn Reyes Jan 2012

Wind Power, Susn Reyes

Science and Engineering Saturday Seminars

No abstract provided.


Mesosphereic Temperature Variability And Seasonal Characteristics Over The Andes, Jonathan R. Pugmire, Yucheng Zhao, Michael J. Taylor, Dominique Pautet May 2011

Mesosphereic Temperature Variability And Seasonal Characteristics Over The Andes, Jonathan R. Pugmire, Yucheng Zhao, Michael J. Taylor, Dominique Pautet

Jonathan Pugmire

The Utah State University CEDAR Mesospheric Temperature Mapper (MTM) is a high-quality CCD imager capable of remote sensing faint optical emissions from the night sky to determine mesospheric temperature and its variability at an altitude of ~87 km. The MTM was operated at the new Andes Lidar Observatory (ALO)located at Cerro Pachon, Chile (30.2° S, 70.7° W) since August 2009 to investigate the seasonal characteristic of the mesopause at mid-latitudes. Measurement were made alongside a powerful lidar capable of height sounding the mesosphere. In this study, the MTM data have been analyzed to determine night to night ...


K-X-Ray Emission In Fast O5+ On Ar Collisions, Tamer Elkafrawy Apr 2011

K-X-Ray Emission In Fast O5+ On Ar Collisions, Tamer Elkafrawy

Research and Creative Activities Poster Day

The goal of the present work is to observe x-rays from oxygen for the purpose of investigating resonant-transfer and excitation (RTE) [1], and projectile and target x-ray emission resulting from inner-shell capture. Projectile energies in the range 5-25 MeV will be examined to investigate RTE for heavy targets [2,3].


Surface Geometry And Heat Flux Effect On Thin Wire Nucleate Pool Boiling Of Subcooled Water In Microgravity, Troy Munro, Andrew Fassman Mar 2011

Surface Geometry And Heat Flux Effect On Thin Wire Nucleate Pool Boiling Of Subcooled Water In Microgravity, Troy Munro, Andrew Fassman

Presentations

The motivation of this nucleate boiling research is to understand the effects of surface geometry and heat flux as applied to a thin wire heater. This will further the understanding of the fundamental behaviors of boiling onset, steady state heat transfer, and bubble dynamics with respect to nucleate boiling with the goal of creating efficient thermal management systems for future space applications. Using three different thin platinum wire geometries and five different power levels, subcooled water was boiled over a period of approximately 30 seconds for 15 parabolic arcs to simulate microgravity. To represent the trends in bubbles behavior across ...


Measuring Albedo With Adi - An Intensity Application, Morton Sternheim Jan 2011

Measuring Albedo With Adi - An Intensity Application, Morton Sternheim

STEM Digital

Why are Polar Regions more affected by global warming than other parts of the globe? One reason (there are others) is that as sea ice melts and more open water appears, more energy is absorbed, and warming accelerates. This is a form of positive feedback and it makes the polar climate change faster than the climate in temperate areas. Increasing vegetation on land also has a similar positive feedback effect. This effect is a change in the albedo – the fraction of the incident sunlight that is reflected back to space.


Natural Organic Matter In Water, David Reckhow Jan 2011

Natural Organic Matter In Water, David Reckhow

STEM Digital

Formation in Watersheds and Removal in Water Treatment


Leaf Leaching Experiment, David Reckhow Jan 2011

Leaf Leaching Experiment, David Reckhow

STEM Digital

Water treatment engineers and public health officials need to pay careful attention to the presence of dissolved organic matter in water supplies selected for human consumption (i.e., raw drinking waters).


Human Variation In Skin Color And Race As A Social Construct, Jennifer Welborn Jan 2011

Human Variation In Skin Color And Race As A Social Construct, Jennifer Welborn

STEM Digital

This lesson is part of evolution unit which follows heredity and genetics

The lesson is interdisciplinary in nature in that I discuss the concept of race as a social construct and the idea that there are “black, white, red, yellow” skinned people is something that people developed. It is not based on biology. Race groupings are human-made groups.

Students first learn about mixing light and how to determine black and white from an ADI analysis. They learn that red and green = yellow, etc.

They then photograph each other’s forearms and analyze the images using ADI.

We then discuss skin ...


Measuring Angles With Adi, Stephen Schneider Jan 2011

Measuring Angles With Adi, Stephen Schneider

STEM Digital

No abstract provided.


Arsenic Project Topics, Julian Tyson Jan 2011

Arsenic Project Topics, Julian Tyson

STEM Digital

How do analytical chemists make light work in tracking potentially harmful chemicals?


Stem Digital And Adi In The Classroom, Jennifer Welborn Jan 2011

Stem Digital And Adi In The Classroom, Jennifer Welborn

STEM Digital

Applications of ADI by students at Amherst Regional Middle School


Institute Overview, Morton Sternheim Jan 2011

Institute Overview, Morton Sternheim

STEM Digital

Digital cameras and computers are widely available for students and teachers. However, they are mainly used for documentation: creating PPT presentations, handouts, posters, etc. STEM DIGITAL shows how digital image analysis can be applied to environmental (and other) research in STEM courses. Application to studies of air quality, water quality, arsenic contamination, climate change, diffusion, etc.