Physical Sciences and Mathematics Commons^™

Whispering Gallery Modes Of A Triatomic Photonic Molecule, Vladimir Shuvayev, Stanislav Kreps, Tal Carmon, Lev Deych

Publications and Research

In this paper, we present the results of numerical simulations of the optical spectra of a three-sphere photonic molecule. The configuration of the system was continuously modified from linear to triangular, in-plane with the fundamental mode excited in one of the spheres and perpendicular to it. We found the relative insensitivity of the spectra to the in-plane deviation from the linear arrangement up to about 110°. For larger angles, the spectra show significant modification consisting of the major spectral peaks splitting and shifting. On the contrary, the spectra are quite sensitive to out-of-plane molecule deviation, even at small angles. Thus, …

Predicting The Stability Of Open Stopes Using Machine Learning, Alicja Szmigiel, Derek B. Apel

Journal of Sustainable Mining

The Mathews stability graph method was presented for the first time in 1980. This method was developed to assess the stability of open stopes in different underground conditions, and it has an impact on evaluating the safety of underground excavations. With the development of technology and growing experience in applying computer sciences in various research disciplines, mining engineering could significantly benefit by using Machine Learning. Applying those ML algorithms to predict the stability of open stopes in underground excavations is a new approach that could replace the original graph method and should be investigated. In this research, a Potvin database …

Sea Level Rise Vulnerability Assessment For State Wildlife Areas Surrounding Humboldt Bay, Northern California, Robert M. Sullivan, Aldaron Laird, Brian Powell, Jeffrey K. Anderson

Local Reports and Publications

Humboldt Bay has the highest rate of sea level rise (SLR) in California (47.2 cm/century). Due to compaction and tectonic subsidence, former tidelands and pastures behind dikes surrounding Humboldt Bay are lower in elevation than bay waters at high tide. Adaptation to future climate change and SLR requires that resource managers understand vulnerability and risk to each wildlife area at a local level, because adaptation to SLR is a risk-based management strategy against an uncertain future requiring site-specific solutions. We conducted a vulnerability assessment of the shoreline of three State wildlife areas surrounding Humboldt Bay: Elk River (ERWA), Fay Slough …

Reviving Knowledges Through Play And Resistance: The Case Of Navajo Conceptions Of Space, Daniel Ness, Richard D. Sawyer

Northwest Journal of Teacher Education

The authors explore a possible cause of epistemicidal predispositions of the dominant Eurocentric curricula. They posit that one way to determine a plausible contributing factor of this increasing devastation is to consider epistemicide through the lens of intellectual development. To do this, the authors examine parallel patterns of behavior in the domains of developmental and cognitive psychology. The authors then discuss an alternative framework to the Western conception of space within formal K-12 education by presenting the Navajo conception of space and play. Throughout the paper, the authors argue that all students—and especially those living in poverty in commercially constructed, …

A Torsion-Based Rheometer For Measuring Viscoelastic Material Properties, Merrill E. Asp, Elise Jutzeler, Jakub Kochanowski, Katherine Kerr, Dawei Song, Sarthak Gupta, Robert Carroll, Alison E. Patteson

Physics - All Scholarship

Rheology and the study of viscoelastic materials are an integral

part of engineering and the study of biophysical systems. Tissue rheology is even

used in the study of cancer and other diseases. However, the cost of a rheometer is

feasible only for colleges, universities, and research laboratories. Even if a rheometer

can be purchased, it is bulky and delicately calibrated, limiting its usefulness to the

laboratory itself. The design presented here is less than a tenth of the cost of a

professional rheometer. The design is also portable, making it the ideal solution to

introduce viscoelasticity to high school students …

Mgrre_Thinsections_Mgrre-126_1, Mgrre

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