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Steering Particles Via Micro-Actuation Of Chemical Gradients Using Model Predictive Control, Mark N. Mcdonald, Cameron K. Peterson, Douglas R. Tree Feb 2023

Steering Particles Via Micro-Actuation Of Chemical Gradients Using Model Predictive Control, Mark N. Mcdonald, Cameron K. Peterson, Douglas R. Tree

Faculty Publications

Biological systems rely on chemical gradients to direct motion through both chemotaxis and signaling, but synthetic approaches for doing the same are still relatively naïve. Consequently, we present a novel method for using chemical gradients to manipulate the position and velocity of colloidal particles in a microfluidic device. Specifically, we show that a set of spatially localized chemical reactions that are sufficiently controllable can be used to steer colloidal particles via diffusiophoresis along an arbitrary trajectory. To accomplish this, we develop a control method for steering colloidal particles with chemical gradients using nonlinear model predictive control with a model based …


Origami-Inspired Sacrificial Joints For Folding Compliant Mechanisms, Todd G. Nelson, Alex Avila, Larry L. Howell, Just L. Herder, Davood Farhadi Machekposhtic Jan 2023

Origami-Inspired Sacrificial Joints For Folding Compliant Mechanisms, Todd G. Nelson, Alex Avila, Larry L. Howell, Just L. Herder, Davood Farhadi Machekposhtic

Faculty Publications

Folding is a manufacturing method which can create complex 3D geometries from flat materi- als and can be particularly useful in cost-sensitive or planar-limited fabrication applications.

This paper introduces compliant mechanisms that employ folding techniques from origami to evolve from a flat material to deployed state. We present origami-inspired sacrificial joints, joints which have mobility during assembly of the mechanism but are rigid in their final position, to create regions of high and low stiffness and the proper alignment of compliant flexures in folded mechanisms. To demonstrate the method we fold steel sheet to create some well-known and complex compliant …


Jussi Björling: We Remember (Jussi Björling En Minnesbok), Sue Flaster Jan 2023

Jussi Björling: We Remember (Jussi Björling En Minnesbok), Sue Flaster

Newsletter of the Jussi Björling Societies of the USA & UK

Short weeks after Jussi Björling’s death in September of 1960, Bertil Hagman launched himself on an ambitious project: to record reminiscences of the great tenor while those memories were still fresh. Hagman interviewed several dozen friends and colleagues who knew Jussi and had performed with him, and by the end of 1960 had published Jussi Björling en Minnesbok (JB A Memory Book).


Jussi Björling Society – Usa At Symphony Center Chicago Conference Rescheduled!, Sue Flaster Jan 2023

Jussi Björling Society – Usa At Symphony Center Chicago Conference Rescheduled!, Sue Flaster

Newsletter of the Jussi Björling Societies of the USA & UK

JBS-USA is happy to announce that plans for the much-anticipated Chicago Conference, postponed from spring of 2021, are now being finalized for the weekend of March 24 to 28, 2022. We are accepting advance registrations with the enclosed form, or online, through the JBS web site. As before, the Conference will include nine distinguished speakers, group tickets to performances by the Chicago Symphony Orchestra and Lyric Opera of Chicago, and group discounted hotel rooms.


Full Issue Jan 2023

Full Issue

Newsletter of the Jussi Björling Societies of the USA & UK

No abstract provided.


Full Issue Jan 2023

Full Issue

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

No abstract provided.


Nibley Fellowship Application Deadline, Guidelines Jan 2023

Nibley Fellowship Application Deadline, Guidelines

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

Each year at about this time we remind graduate students about the Nibley Fellowship Program. Those interested in applying for the first time or who wish to renew their fellowships for the 2002/ 2003 academic year must do so by 30 June 2002.


Nephi’S Later Reflections On The Tree Of Life Vision, Michael B. Parker Jan 2023

Nephi’S Later Reflections On The Tree Of Life Vision, Michael B. Parker

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

An interesting phenomenon concerning 1 and 2 Nephi is that parts of the latter book draw on the tree of life vision that Nephi and his father shared, as recorded in 1 Nephi 8, 11–15. In an earlier FARMS Update, John A. Tvedtnes demonstrated that Nephi drew on this vision when composing the psalm in 2 Nephi 4. Further study suggests the likelihood that Nephi’s exhortation in 2 Nephi 31 was similarly informed by that sublime vision.


Freemasonry And The Origins Of Latter-Day Saints Temple Ordinances, Jeffrey M. Bradshaw Jan 2023

Freemasonry And The Origins Of Latter-Day Saints Temple Ordinances, Jeffrey M. Bradshaw

Interpreter Foundation Books

My first exposure to The Church of Jesus Christ of Latter-day Saints came in 1988 when I first met my future wife, a dedicated member of the Church. She was pleased to answer any questions I had and to share insights into her beliefs, but I was uninterested in pursuing any serious inquiry into their teachings.


Full Issue Jan 2023

Full Issue

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

No abstract provided.


‘Scourged’ Vs. ‘Scorched’ In Mosiah 17:13, Royal Skousen Jan 2023

‘Scourged’ Vs. ‘Scorched’ In Mosiah 17:13, Royal Skousen

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

Very often in my work on the critical text of the Book of Mormon, I have discovered cases where the text reads inappropriately. Book of Mormon researchers have typically attempted to find some circumstance or interpretation to explain a difficult reading, but in many cases I have found that difficult readings are actually the result of simple scribal errors.


Language Maintenance And Proficiency Of World Language Teachers, Anna E. Robison Jan 2023

Language Maintenance And Proficiency Of World Language Teachers, Anna E. Robison

Theses and Dissertations

The aim of this study was to examine the current proficiency strengths and weaknesses of practicing K-12 non-native WL teachers in the states of Utah and Oklahoma. Data were gathered through a survey and the OPIc diagnostic grid. The results revealed what features of Function, Accuracy, Content, and Text Type were strengths and weaknesses for OPIc ratings Intermediate High, Advanced Low, Advanced Mid, and Advanced High. The self-reported OPI scores compared to the OPIc scores found an encouraging rate of TL maintenance and improvement. The language maintenance activities reported by the participants revealed the frequency with which they engage in …


Full Issue Jan 2023

Full Issue

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

No abstract provided.


Book Of Mormon Word Usage: “Seal You His”, John Gee Jan 2023

Book Of Mormon Word Usage: “Seal You His”, John Gee

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

The verb to seal occurs some 34 times in the Book of Mormon. In most of these instances the verb takes (is followed by) a direct object referring to such things as the law, a book, records, words, an account, an epistle, an interpretation, revelation, the truth, and the stone interpreters. Twice, however, the verb to seal takes a person as a direct object that is qualified by a possessive pronoun:

Therefore, I would that ye should be steadfast and immovable, always abounding in good works, that Christ, the Lord God Omnipotent, may seal you his, that you may be …


Researchers Share, Test Ideas With Peers Jan 2023

Researchers Share, Test Ideas With Peers

Insights: The Newsletter of the Neal A. Maxwell Institute for Religious Scholarship

Each semester the Institute sponsors an average of six brown bag presentations (so named because they are informal lectures delivered during the noon hour). Held on the BYU campus, these events are conducted largely for the benefit of scholars and other specialists who are invited to report on research projects they are pursuing and papers they are writing. At the conclusion of their presentations, the speakers respond to questions and constructive comments from the audience. These events enable researchers to test and explore the ideas and insights they are developing on a host of topics related to the work of …


A Networked Radar System For Tracking Small Unmanned Aircraft Systems, Douglas Graff Jan 2023

A Networked Radar System For Tracking Small Unmanned Aircraft Systems, Douglas Graff

Theses and Dissertations

Tracking small unmanned aircraft systems (SUAS) becomes increasingly important with their increased use in populated areas. We propose an effective tracking solution for SUAS using a networked system of one-dimensional scanning radars. Tracking SUAS with a network of radar systems requires extrinsic calibration of each radar to a common frame. We provide a calibration solution using an orthogonal Procrustes formulation that associates radar measurements from the ground-mounted radar to real-time-kinematic Global Positioning System (RTK-GPS) data. Two variations of the calibration are presented, an online and batch processing method. Outdoor hardware experiments validate the capabilities of the radar network in tracking …


Do Regional Dna Barcode Databases Lead To More Efficient Specimen Identification?, Michael Kerr, Steven D. Leavitt Jan 2023

Do Regional Dna Barcode Databases Lead To More Efficient Specimen Identification?, Michael Kerr, Steven D. Leavitt

Library/Life Sciences Undergraduate Poster Competition 2023

DNA barcoding is a method for identifying specimens from specific regions of DNA. 1 Metabarcoding focuses on large, multi specimen scales. 2 These approaches rely on DNA databases for sequence identification, 2 but these databases often lack data from many species, 3 especially from poorly studied groups such as fungi 4 and lichens, which can lead to failure in specimen identification.


Effects Of Plastic And Waste Pollution On Ocean Communities In The Asian Pacific Region, Whitney Kingsolver Jan 2023

Effects Of Plastic And Waste Pollution On Ocean Communities In The Asian Pacific Region, Whitney Kingsolver

Ballard Brief

Plastic and waste pollution is a global problem, but it affects ocean communities in the Asia Pacific Region (APR) the most due to their lack of resources to process the pollution. Additionally, low-income areas in these countries need access to sustainable non-plastic packaging options, which increases the amount of plastic generated. Direct pollution leads to poor ocean health and the disruption of important industries like tourism or fishing. Plastic pollutants eventually break down, which creates microplastics and releases toxic chemicals. These pollutants damage ecosystems and severely harm marine life. The overwhelming amount of waste pollution in the APR also damages …


Interview With Rob Carney, Whitnee Forest Jan 2023

Interview With Rob Carney, Whitnee Forest

Inscape

Rob Carney is the author of eight books of poems, including Call and Response (Black Lawrence Press, 2021) and The Book of Sharks (Black Lawrence Press, 2018), which was named a finalist for the Washington State Book Award. Additionally, he is the author of Accidental Gardens (Stormbird Press, 2021), a collection of 42 flash essays about the environment, politics, and poetics; and the children’s book How the Baby Seal Was Born and Other Fables (Little Nomad, forthcoming). In 2014 he received the Robinson Jeffers/Tor House Foundation Award for Poetry. His work has appeared in Cave Wall, Columbia Journal, The Dark …


Burning Barns, Steven Fromm Jan 2023

Burning Barns, Steven Fromm

Inscape

Even before Hall settled into his chair he looked out his window and saw that Mary Tyler Moore’s office was dark. He called me in. I didn’t feel any honor in that. I was just about the only one left.


A Miracle Through An Ymage: Gautier De Coinci’S Retouched Legend Of Theophile, Isabella Williams Jan 2023

A Miracle Through An Ymage: Gautier De Coinci’S Retouched Legend Of Theophile, Isabella Williams

Quidditas

This article examines the use of the Old French word “ymage” in Gautier de Coinci’s early thirteenth-century Legend of Theophile. Gautier is the first author to write a version of the legend that includes an ymage, designating a material representation of the Virgin. Far from a subtle insertion, he mentions the term ten times, during every pivotal moment of the story, when terrestrial and celestial spheres collide. Critics acknowledge the centrality of Gautier in representing this revolutionary French period, during which time attitudes concerning ritualistic images were in a state of flux; yet, Gautier’s repetitive and groundbreaking use of …


The Words Of Gad The Seer: An Apparently Ancient Text With Intriguing Origins And Content, Jeff Lindsay Jan 2023

The Words Of Gad The Seer: An Apparently Ancient Text With Intriguing Origins And Content, Jeff Lindsay

Interpreter: A Journal of Latter-day Saint Faith and Scholarship

A long-overlooked Hebrew document from an ancient Jewish colony in Cochin, India, purports to contain the words of Gad the Seer. Professor Meir Bar-Ilan has translated the text into English and has stirred interest in the fascinating document. At least two other English translations are also now available. Here we examine the story of the coming forth of the text and some issues of possible interest to Latter-day Saints, including some of Bar-Ilan’s insights in evaluating the antiquity of disputed texts. Bar-Ilan’s translation of this intriguing document and his related publications may be valuable for anyone with an interest in …


Student Self-Diagnostics: Engaging Students As Co-Respondents To Their Own Writing, Robert M. Rowan Jan 2023

Student Self-Diagnostics: Engaging Students As Co-Respondents To Their Own Writing, Robert M. Rowan

Journal of Response to Writing

Student self-analysis and reflective work can be useful components of the writing classroom. This article examines a student self-diagnostic tool, developed by the author, which can elicit closer attention paid to the student’s own writing, analysis, and research processes and to other desirable outcomes the teacher’s learning plan may be pursuing. This tool, the Genre Understanding Sheet or GUS, has been successfully deployed in a variety of writing courses such as introductory composition, business and professional writing, and technical communication. The article examines the GUS and its development and rationale, reviews the underlying science and theory-work which inform its design, …


A Women's Experience Jan 2023

A Women's Experience

AWE (A Woman’s Experience)

No abstract provided.


We Live In The Olden Days: Reflections On The Importance Of Scientific And Theological Humility, Steven L. Clark Jan 2023

We Live In The Olden Days: Reflections On The Importance Of Scientific And Theological Humility, Steven L. Clark

Interpreter: A Journal of Latter-day Saint Faith and Scholarship

Members of The Church of Jesus Christ of Latter-day Saints have a unique perspective on truth. Our knowledge that Salvation likely involves participation in complex eternal activities requiring significantly more understanding than we currently possess naturally leads us to seek truth and, in addition, to seek an understanding of that truth. Under these circumstances, our inability to fully understand many truths, both revealed and discovered, can lead to confusion. A lack of complete understanding of accepted scientific truth generally leads the serious truth-seeker to enhanced investigative and educational efforts without doubting the ultimate veracity of the concept under investigation; we …


A Prophet, A Candidate, And A Just Cause, Derek R. Sainsbury Jan 2023

A Prophet, A Candidate, And A Just Cause, Derek R. Sainsbury

Interpreter: A Journal of Latter-day Saint Faith and Scholarship

Spencer McBride’s book is the deepest look yet into Joseph Smith’s 1844 campaign for president of the United States. In smooth-paced and readable detail, McBride’s work expertly demonstrates the unique Latter- day Saint genesis for the campaign and how it fit into the wider American social-political environment. Its message regarding religious liberty is as applicable today as it was nearly two centuries ago.


“I Will Come To You”: An Investigation Of Early Christian Beliefs About Post-Ascension Visitations Of The Risen Jesus, Timothy Gervais Jan 2023

“I Will Come To You”: An Investigation Of Early Christian Beliefs About Post-Ascension Visitations Of The Risen Jesus, Timothy Gervais

Interpreter: A Journal of Latter-day Saint Faith and Scholarship

While later Creedal Christians have come to view “the Ascension” recorded in the first chapter of Acts as a conclusive corporeal appearance of the Resurrected Lord, earliest Christians do not appear to have conceived of this appearance as “final” in any temporal or experiential sense. A careful investigation of canonical resurrection literature displays a widespread Christian belief in continued and varied interaction with the risen Lord relatively late into the movements’ development. Stringent readings of Luke’s account of the Ascension in Acts suggesting that Christ will not return until his second coming fail to consider the theological rhetoric with which …


Doctrine And Covenants 21: Metanarrative Of The Restoration, Steve L. Olsen Jan 2023

Doctrine And Covenants 21: Metanarrative Of The Restoration, Steve L. Olsen

Interpreter: A Journal of Latter-day Saint Faith and Scholarship

Joseph Smith dictated Doctrine and Covenants 21 at the inaugural meeting of the Church of Jesus Christ on April 6, 1830. The present study examines the literary craftsmanship of the revelation to plumb the depths of its role in the restoration of the gospel of Jesus Christ. The analysis explores the meaning of patterns of usage in the text from the most specific (diction, syntax, figures of speech) to the most general (tone, rhetoric, and structural logic). The hypothesis of this study is that Doctrine and Covenants 21 provides a metanarrative of the Restoration — that is, a set of …


Internal Family Systems (Ifs) Therapy: Non-Pathologizing Healing For Inner Peace, Sylvia Hill Jan 2023

Internal Family Systems (Ifs) Therapy: Non-Pathologizing Healing For Inner Peace, Sylvia Hill

Issues in Religion and Psychotherapy

Internal Family Systems (IFS) therapy is a new approach to healing of the wounds and burdens caused by trauma, neglect and other relational injuries. The history of the development of IFS is outlined. The basic assumptions of IFS are shared. The roles parts take on in response to trauma are explained. The process of working with parts to bring about healing are described. Research on IFS is listed followed by a brief discussion of how IFS can fit within a Christian framework. Two case studies are provided to illustrate IFS being used in conjunction with Christian beliefs.


“They Shall Be Scattered Again”: Some Notes On Jst Genesis 50:24–25, 33–35, Matthew L. Bowen Jan 2023

“They Shall Be Scattered Again”: Some Notes On Jst Genesis 50:24–25, 33–35, Matthew L. Bowen

Interpreter: A Journal of Latter-day Saint Faith and Scholarship

This article examines the extension of the etiological wordplay on the name Joseph (in terms of the Hebrew verbs ʾāsap and yāsap), recurrent in the canonical text of Genesis, into the JST Genesis 50 text, where Joseph learns about and prophesies of a future “Joseph” who would help gather Israel after they had been “scattered again” by the Lord. This article also analyzes the pairing of the prophetic and seeric roles of Moses and the latter-day “Joseph” at the beginning and ending of JST Genesis and explores the significance of this framing. The importance of Moses and Joseph Smith writing …