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Falling Felines and Fundamental Physics

Falling Felines and Fundamental Physics

Gregory J. Gbur

Yale University Press
2019
sidottu
How do cats land on their feet? Discover how this question stumped brilliant minds and how its answer helped solve other seemingly impossible puzzles The question of how falling cats land on their feet has long intrigued humans. In this playful and eye-opening history, physicist and cat parent Gregory Gbur explores how attempts to understand the cat-righting reflex have provided crucial insights into puzzles in mathematics, geophysics, neuroscience, and human space exploration. The result is an engaging tumble through physics, physiology, photography, and robotics to uncover, through scientific debate, the secret of the acrobatic performance known as cat-turning, the cat flip, and the cat twist. Readers learn the solution but also discover that the finer details still inspire heated arguments. As with other cat behavior, the more we investigate, the more surprises we discover.
Invisibility

Invisibility

Gregory J. Gbur

YALE UNIVERSITY PRESS
2023
sidottu
A lively exploration of how invisibility has gone from science fiction to fact “The science of invisibility remains largely theoretical and abstract. It is in the literature that the field comes alive, and Gbur may be the world’s leading expert on invisibility fiction.”—Nathaniel Rich, New York Times Book Review “Entertaining. . . . A robust examination of a fascinating field of research.”—Publishers Weekly Is it possible for something or someone to be made invisible? This question, which has intrigued authors of science fiction for over a century, has become a headline-grabbing topic of scientific research. In this book, science writer and optical physicist Gregory J. Gbur traces the science of invisibility from its sci-fi origins in the nineteenth-century writings of authors such as H. G. Wells and Fitz James O’Brien to modern stealth technology, invisibility cloaks, and metamaterials. He explores the history of invisibility and its science and technology connections, including the discovery of the electromagnetic spectrum, the development of the atomic model, and quantum theory. He shows how invisibility has moved from fiction to reality, and he questions the hidden paths that lie ahead for researchers. This is not only the story of invisibility but also the story of humankind’s understanding of the nature of light itself, and of the many fascinating figures whose discoveries advanced this knowledge.
The Trees of the Cross

The Trees of the Cross

Gregory C. Bryda

YALE UNIVERSITY PRESS
2023
sidottu
A revelatory exploration of wood’s many material, ecological, and symbolic meanings in the religious art of medieval Germany “A rewarding study that is full of new insights.”—Jeremy Warren, Art Newspaper In late medieval Germany, wood was a material laden with significance. It was an important part of the local environment and economy, as well as an object of religious devotion in and of itself. Gregory C. Bryda examines the multiple meanings of wood and greenery within religious art—as a material, as a feature of agrarian life, and as a symbol of the cross, whose wood has resonances with other iconographies in the liturgy. Bryda discusses how influential artists such as Matthias Grünewald, known for the Isenheim Altarpiece, and the renowned sculptor Tilman Riemenschneider exploited wood’s multivalent nature to connect spiritual themes to the lived environment outside church walls. Exploring the complex visual and material culture of the period, this lavishly illustrated volume features works ranging from monumental altarpieces to portable pictures and offers a fresh understanding of how wood in art functioned to unlock the mysteries of faith and the natural world in both liturgy and everyday life.
Saving a Rainforest and Losing the World

Saving a Rainforest and Losing the World

Gregory M. Thaler

YALE UNIVERSITY PRESS
2024
pokkari
An unflinching investigation of the false promises of land sparing, exposing how its illusory successes mask the failures of green capitalism For two decades, the concept of land sparing, the claim that agricultural intensification can spare land by preventing forest clearing for agricultural expansion, has dominated tropical forest conservation. Land sparing policies transform landscapes and livelihoods with the promise of reconciling agricultural development with environmental conservation. But that land sparing promise is false. Based on six years of research on agrarian frontiers in Indonesia, Brazil, and Bolivia, this book traces where and how land sparing becomes policy and charts the social and ecological effects of these political contests. Gregory M. Thaler explains why land sparing appears successful in some places but not in others and reveals that success as an illusion achieved by displacing deforestation to new frontiers. The failure of land sparing exposes a harsh truth behind assurances of green capitalism: capitalist development is ecocide.
Saving a Rainforest and Losing the World

Saving a Rainforest and Losing the World

Gregory M. Thaler

YALE UNIVERSITY PRESS
2024
sidottu
An unflinching investigation of the false promises of land sparing, exposing how its illusory successes mask the failures of green capitalism For two decades, the concept of land sparing, the claim that agricultural intensification can spare land by preventing forest clearing for agricultural expansion, has dominated tropical forest conservation. Land sparing policies transform landscapes and livelihoods with the promise of reconciling agricultural development with environmental conservation. But that land sparing promise is false. Based on six years of research on agrarian frontiers in Indonesia, Brazil, and Bolivia, this book traces where and how land sparing becomes policy and charts the social and ecological effects of these political contests. Gregory M. Thaler explains why land sparing appears successful in some places but not in others and reveals that success as an illusion achieved by displacing deforestation to new frontiers. The failure of land sparing exposes a harsh truth behind assurances of green capitalism: capitalist development is ecocide.
Metal Dihydrogen and s-Bond Complexes

Metal Dihydrogen and s-Bond Complexes

Gregory J. Kubas

Kluwer Academic/Plenum Publishers
2001
sidottu
According to R.H. Crabtree, Metal Dihydrogen and sigma-Bond Complexes is described as `the definitive account of twentieth-century work in the area of sigma complexation'. It covers not only Kubas' discovery of dihydrogen coordination and the study of its structure and general properties but also discusses both the theoretical beliefs and experimental results of bonding and activation of dihydrogen on metal centers and the coordination and activation of C-H, B-H, X-H, and X-Y bonds, giving an overview of `one of the hottest areas in chemistry'.
Hope, Help & Healing for Eating Disorders

Hope, Help & Healing for Eating Disorders

Gregory Jantz

Waterbrook Press (A Division of Random House Inc)
2010
nidottu
Heal your relationship with food. Eating disorders and disordered eating ravage and consume too many lives. In this powerful book for individuals suffering from eating disorders-as well as those wanting to help-Dr. Gregory Jantz comes alongside his readers with a well-tested and successful approach that addresses the emotional, relational, physical, and spiritual dimensions of healing from an eating disorder. Topics include: * Five often-overlooked nutritional keys to recovery * How to let go of anger, fear, and guilt * Tools for creating a binge-free life * How not to be a victim of others * The role of emotional and verbal abuse in eating disorders * Seven keys to creating healthy relationships This completely updated and revised edition contains new material on nutritional leading-edge interventions, spiritual abuse, and healing strategies for compulsive behaviors. If food has not found its proper place as nutrition in your life, discover the answers in Hope, Help and Healing for Eating Disorders. Because you can do more than just survive--you can really live. Contains thought provoking questions and activities to guide readers through progressive healing steps.
Raising Boys by Design

Raising Boys by Design

Gregory Jantz; Michael Gurian

Waterbrook Press (A Division of Random House Inc)
2013
nidottu
This unique resource combines the latest research in brain science with timeless truths from the Bible, offering parents a practical blueprint for raising their sons. Learn how to help your son to develop self-discipline, resilience, empathy, healthy sexuality, and a faith that lasts - just as God intends!
The Story of Reality Study Guide

The Story of Reality Study Guide

Gregory Koukl

Zondervan
2020
nidottu
Study the narrative backbone of the Christian story and how all the plotlines of that story are resolved in the end.Biblical Christianity is more than just another private religious view. It's more than just a personal relationship with God or a source of moral teaching. Christianity is a picture of reality. It explains why the world is the way it is. When the pieces of this puzzle are properly assembled, we see the big picture clearly.This six-session, video-based study guide (DVD/streaming video sold separately)—based on the theological observations of his book, The Story of Reality—Gregory Koukl guides you and your group through the narrative arc of reality. Throughout this experience, you'll learn:The vital answer to the question: What is Christianity?The five basic elements forming the plotline of the entire Christian story.How the Christian story explains why there's evil in the world.The precise reason why Jesus is the only way of salvation.Why biblical faith is not a leap of wishful thinking.Reasons why the story's record of the life and resurrection of Jesus is reliable.How the biblical view of reality is the best explanation for the way things are.This video-based study is designed to be experienced in a group setting or any small gathering and includes outlines of the video teachings, reflections, self-assessment exercises, discussion questions, and other activities to help you understand the concepts and put them into practice.Participants in this course will come away with a more grounded understanding of biblical reality and a greater appreciation for the Christian tradition.The Story of Reality Video Study (9780310100751) sold separately.
Tactics, 10th Anniversary Edition

Tactics, 10th Anniversary Edition

Gregory Koukl; Lee Strobel

Zondervan
2019
nidottu
Tactics provides the game plan for defending your faith and artfully communicating the truths of Christianity with confidence and grace. This expanded anniversary edition of the classic book of Christian apologetics includes updates and expansions of existing tactics, as well as the addition of an all-new tactic and a chapter on Mini Tactics filled with simple maneuvers to aid in discussions.In a culture increasingly indifferent or even hostile to Christian truth, followers of Christ need to be equipped to communicate with those who do not speak their language or accept their source of authority.In Tactics, 10th Anniversary Edition, Gregory Koukl demonstrates how to artfully regain control of conversations, keeping them moving forward in constructive ways through thoughtful diplomacy. You'll learn how to:Meet challenges, questions, and provocations with poise and conviction.Effortlessly start your own evangelical conversations.Present the truth clearly, cleverly, and persuasively.Graciously and effectively expose faulty thinking and logical fallacies.Most important, you'll learn how to get people thinking seriously about Jesus.Drawing on extensive experience defending Christianity in the public square, Koukl will not only walk you through effective arguments to defend why you believe what you believe, but he'll teach you methods for engaging in meaningful dialogue and debate.Step-by-step, you'll learn the tactics of good persuasion and defense, how to identify the tactics of your opponent, and how to build your case, patiently and practically.
Tactics Study Guide, Updated and Expanded
Learn how to defend your faith with confidence and grace in this eight-session, video-based apologetics course (DVD/streaming video sold separately). In a culture increasingly indifferent or even hostile to Christian truth, followers of Christ need to be equipped to communicate with those who do not speak their language or accept their source of authority.Based on the strategies described in the classic book of Christian apologetics, the Tactics Study Guide will take small groups deeper into how to artfully communicate the truths of Christianity and keep conversations moving forward in constructive ways.This study is highly interactive and includes extensive teachings and exercises, such as:Step-by-step tactic explanations.Real-world scenarios and challenges.One-on-one breakout sessions.Written responses and personal reflections.The tactical approaches you'll learn in this course will give you indispensable skills to help you engage others about your Christian beliefs—and it may also deepen your own faith along the way.Together with the accompanying Tactics Video Study (sold separately), this guide provides an easy-to-follow, well-reasoned plan for mastering the art of maneuvering in conversations about Christian spirituality and ethics.
Tactics Study Guide with DVD, Updated and Expanded
Learn how to defend your faith with confidence and grace in this eight-session, video-based apologetics course.In a culture increasingly indifferent or even hostile to Christian truth, followers of Christ need to be equipped to communicate with those who do not speak their language or accept their source of authority.Based on the strategies described in the classic book of Christian apologetics, the Tactics Study Guide with DVD will take small groups deeper into how to artfully communicate the truths of Christianity and keep conversations moving forward in constructive ways.This study is highly interactive and includes extensive teachings and exercises, such as:Step-by-step tactic explanations.Real-world scenarios and challenges.One-on-one breakout sessions.Written responses and personal reflections.The tactical approaches you'll learn in this course will give you indispensable skills to help you engage others about your Christian beliefs—and it may also deepen your own faith along the way.This updated and expanded Tactics Study Guide with DVD provides an easy-to-follow, well-reasoned plan for mastering the art of maneuvering in conversations about Christian spirituality and ethics.Session Titles and Runtimes:Getting in the Driver's Seat: The Columbo Tactic (34 min)Refining Columbo (32 min)Perfecting Columbo (39 min)Suicide: Views That Self-Destruct (42 min)Taking the Roof Off (29 min)Steamroller (27 min)Inside Out (31 min)Mini-Tactics (31 min)
Street Smarts

Street Smarts

Gregory Koukl; J. Warner Wallace

ZONDERVAN
2023
nidottu
How to engage in productive conversations with those who challenge your Christian convictions.Gregory Koukl's best-selling book of practical apologetics, Tactics, wrote the game plan for discussing your Christian convictions with skeptics. In this follow-up, Koukl—a leader of clear-thinking Christianity—reveals the fundamental flaws in common, current challenges to Christian beliefs and values and provides step-by-step strategies to question and reveal those shortcomings.Street Smarts offers model questions and sample dialogues to help guide believers in persuasive conversations about hot-button issues like:RelativismThe trustworthiness of ScriptureThe claims of the GospelAbortionMarriage, sex, and genderThis book will teach you how to tackle those discussions that believers often avoid because they feel out of their element, vulnerable, or exposed. Lucid, well-organized, and easy-to-follow, Street Smarts provides a specific set of questions—the same questions Koukl uses in his own encounters—that are embedded in sample mini-dialogues that you can use to have fruitful debates with non-believers.
Street Smarts Study Guide

Street Smarts Study Guide

Gregory Koukl

ZONDERVAN
2023
nidottu
Building on Street Smarts, this study guide by Gregory Koukl will take you deeper, teaching you the strategies for productive conversations with those who challenge your convictions on a variety of issues. The focus is on revealing the fundamental flaws in common, current challenges to Christian beliefs and values. It then provides individual strategies to exploit those shortcomings by offering model questions and sample dialogues to help guide believers in genial, yet persuasive, conversations. Lessons are coordinated with the available Street Smarts Video Study, and both make an ideal resources for groups use.
Street Smarts Study Guide plus Streaming Video
Building on Street Smarts, this study guide by Gregory Koukl will take you deeper, teaching you the strategies for productive conversations with those who challenge your convictions on a variety of issues. The focus is on revealing the fundamental flaws in common, current challenges to Christian beliefs and values. It then provides individual strategies to exploit those shortcomings by offering model questions and sample dialogues to help guide believers in genial, yet persuasive, conversations. This study guide has everything you need for a full personal or group experience.The study guide itself--with thoughtful introductions, questions for personal reflection and application, and discussion questions for leading a group or team.An individual access code to stream all video sessions online. (You don’t need to buy a DVD!)Sessions and video run times:1 - Getting Ready for the Street (33 min)2 - Questions Keep You Safe (34 min)3 - Intel for Navigating the Street (23 min)4 - Atheism: The Best Explanation for the Way Things Are? (37 min)5 - Evil: Atheism's Fatal Flaw (29 min)6 - Jesus the Son, Christ the Savior (32 min)7 - The Bible: Ancient Words, Ever True? (24 min)8 - God: The Science Stopper? (29 min)9 - Abortion: Only One Question (41 min)10 - Marriage, Sex, Gender, and Common Sense (41 min)Streaming video access code included. Access code subject to expiration after [insert 5 years after OSD]. Code may be redeemed only by the recipient of this package. Code may not be transferred or sold separately from this package. Internet connection required. Void where prohibited, taxed, or restricted by law. Additional offer details inside.
The Story of Reality Study Guide plus Streaming Video
Study the narrative backbone of the Christian story and how all the plotlines of that story are resolved in the end.Biblical Christianity is more than just another private religious view. It's more than just a personal relationship with God or a source of moral teaching. Christianity is a picture of reality. It explains why the world is the way it is. When the pieces of this puzzle are properly assembled, we see the big picture clearly.This six-session, video-based study guide (DVD/streaming video sold separately)—based on the theological observations of his book, The Story of Reality—Gregory Koukl guides you and your group through the narrative arc of reality. Throughout this experience, you'll learn:The vital answer to the question: What is Christianity?The five basic elements forming the plotline of the entire Christian story.How the Christian story explains why there's evil in the world.The precise reason why Jesus is the only way of salvation.Why biblical faith is not a leap of wishful thinking.Reasons why the story's record of the life and resurrection of Jesus is reliable.How the biblical view of reality is the best explanation for the way things are.This video-based study is designed to be experienced in a group setting or any small gathering and includes outlines of the video teachings, reflections, self-assessment exercises, discussion questions, and other activities to help you understand the concepts and put them into practice.Participants in this course will come away with a more grounded understanding of biblical reality and a greater appreciation for the Christian tradition.This study guide has everything you need for a full personal or group experience.The study guide itself--with thoughtful introductions, questions for personal reflection and application, and discussion questions for leading a group or team.An individual access code to stream all video sessions online. (You don’t need to buy a DVD!)Sessions and video run times:1 - Introduction: Reality (21 min)2 - Part One: God (23 min)3 - Part Two: Man (30 min)4 - Part Three: Jesus (19 min)5 - Part Four: Cross (23 min)6 - Part Five: Resurrection (20 min)Streaming video access code included. Access code subject to expiration after [insert 5 years after OSD]. Code may be redeemed only by the recipient of this package. Code may not be transferred or sold separately from this package. Internet connection required. Void where prohibited, taxed, or restricted by law. Additional offer details inside.
Tactics Study Guide plus Streaming Video, Updated and Expanded
Learn how to defend your faith with confidence and grace in this eight-session, video-based apologetics course.In a culture increasingly indifferent or even hostile to Christian truth, followers of Christ need to be equipped to communicate with those who do not speak their language or accept their source of authority.Based on the strategies described in the classic book of Christian apologetics, the Tactics Study Guide will take small groups deeper into how to artfully communicate the truths of Christianity and keep conversations moving forward in constructive ways.This study is highly interactive and includes extensive teachings and exercises, such as:Step-by-step tactic explanations.Real-world scenarios and challenges.One-on-one breakout sessions.Written responses and personal reflections.The tactical approaches you'll learn in this course will give you indispensable skills to help you engage others about your Christian beliefs--and it may also deepen your own faith along the way.Used along with the videos, this guide provides an easy-to-follow, well-reasoned plan for mastering the art of maneuvering in conversations about Christian spirituality and ethics.This study guide has everything you need for a full personal or group experience.The study guide itself--with thoughtful introductions, questions for personal reflection and application, and discussion questions for leading a group or teamAn individual access code to stream all video sessions online. (You don’t need to buy a DVD!)Sessions and video run times:Getting in the Driver's Seat: The Columbo Tactic (34 min)Refining Columbo (32 min)Perfecting Columbo (39 min)Suicide: Views That Self-Destruct (42 min)Taking the Roof Off (29 min)Steamroller (26 min)Inside Out (31 min)Mini-Tactics (31 min)Streaming video access code included. Access code subject to expiration after June 17, 2030. Code may be redeemed only by the recipient of this package. Code may not be transferred or sold separately from this package. Internet connection required. Void where prohibited, taxed, or restricted by law. Additional offer details inside.
The Myth of a Christian Nation

The Myth of a Christian Nation

Gregory A. Boyd

Zondervan
2007
nidottu
The church was established to serve the world with Christ-like love, not to rule the world. It is called to look like a corporate Jesus, dying on the cross for those who crucified him, not a religious version of Caesar. It is called to manifest the kingdom of the cross in contrast to the kingdom of the sword. Whenever the church has succeeded in gaining what most American evangelicals are now trying to get – political power – it has been disastrous both for the church and the culture. Whenever the church picks up the sword, it lays down the cross. The present activity of the religious right is destroying the heart and soul of the evangelical church and destroying its unique witness to the world. The church is to have a political voice, but we are to have it the way Jesus had it: by manifesting an alternative to the political, “power over,” way of doing life. We are to transform the world by being willing to suffer for others – exercising “power under,” not by getting our way in society – exercising “power over.”