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John Powell

    John Joseph Powell war ein Jesuit Priester und Autor. Seine Arbeit befasst sich mit tiefgründigen spirituellen und philosophischen Fragen.

    Happiness is an inside job
    The Grand Canyon Expedition
    Fully Human, Fully Alive
    Quantum Mechanics
    Abtreibung: der Lautlose Holocaust
    Was Sie schon immer über Musik wissen wollten
    • Mit der Musik ist es ähnlich wie mit der Liebe. Die allermeisten Menschen empfinden sie als äußerst angenehm, aber kaum einer weiß etwas über ihre Regeln und Prinzipien. Schon bei den einfachsten Fragen scheitern wir und müssen einen Experten für Akustik zu Rate ziehen, der in einem Fachbuch mit Grafiken und Tabellen blättert und die Verwirrung nur noch größer macht. Zum Glück gibt es nun ein Buch, das diesem Missstand abhilft. Der Autor John Powell, Physiker und Musiker in einer Person, fragte sich, warum ein populäres Thema wie Musik mit so viel Unwissen verbunden ist. In seiner kurzweiligen, spannenden und aufschlussreichen Untersuchung geht er der Frage nach, warum Töne in einer bestimmten Kombination dazu führen, dass Menschen weinen, tanzen oder sich küssen. Er erklärt uns den Unterschied zwischen einem musikalischen Ton und dem Scheppern von Mülltonnen. Wir erfahren, warum zehn Geigen nur doppelt so laut wie eine klingen. Warum Moll sich traurig anhört. Ob es so etwas wie das absolute Gehör tatsächlich gibt. Wie die Arbeit eines Komponisten aussieht. Wann ein Rhythmus ein Rhythmus ist. Und was Harmonie und Timbre genau bedeuten. Und das Beste: Für die Lektüre dieses Buches gibt es nur eine Voraussetzung: Die Fähigkeit, das schöne Lied „Happy Birthday“ zu singen oder zu summen.

      Was Sie schon immer über Musik wissen wollten
    • Quantum Mechanics

      • 512 Seiten
      • 18 Lesestunden
      5,0(1)Abgeben

      Suitable for advanced undergraduates, this thorough text focuses on the role of symmetry operations and the essentially algebraic structure of quantum-mechanical theory. Based on courses in quantum mechanics taught by the authors, the treatment provides numerous problems that require applications of theory and serve to supplement the textual material.Starting with a historical introduction to the origins of quantum theory, the book advances to discussions of the foundations of wave mechanics, wave packets and the uncertainty principle, and an examination of the Schrödinger equation that includes a selection of one-dimensional problems. Subsequent topics include operators and eigenfunctions, scattering theory, matrix mechanics, angular momentum and spin, and perturbation theory. The text concludes with a brief treatment of identical particles and a helpful Appendix.

      Quantum Mechanics
    • Fully Human, Fully Alive

      A New Life Through a New Vision

      4,1(136)Abgeben

      Where do true health and happiness begin? With positive attitudes about ourselves, others, and God. The rewarding results will be new self-confidence, healed relationships, and a heightened sensitivity to others' needs and feelings.

      Fully Human, Fully Alive
    • The Grand Canyon Expedition

      • 288 Seiten
      • 11 Lesestunden
      3,7(10)Abgeben

      Explore one of the nation's greatest natural wonders and celebrate the 100th birthday of Grand Canyon National Park with this grand voyage.Join John Wesley Powell's expedition to explore one of the 7 Wonders of the Natural World, and one of the last unmapped portions of the continental United States. Powell's detailed descriptions of the rocks, plants, and animals seen in the canyon, the geography of the area, and his team's interactions with native groups of the area and mishaps along the trail allow readers to feel the thrill, the awe, and the humility of standing on the canyon's edge.Powell's account of his groundbreaking expedition on the Colorado and Green rivers joins Gibbs Smith's best-selling Wilderness series, standing beside the works of Henry David Thoreau, John Muir, Mark Twain, and Jack London.John Wesley Powell (1834-1902) was a soldier, geologist, professor, explorer, and director of the U.S. Geological Survey. In 1869, he embarked on a three-month journey down the Colorado River, which would become the first recorded voyage through the Grand Canyon.

      The Grand Canyon Expedition
    • Happiness is an inside job

      • 148 Seiten
      • 6 Lesestunden
      4,0(42)Abgeben

      Develop the "happiness habit" by practicing ten life tasks outlined by this popular spiritual leader. Pursue happiness by learning to accept yourself as you are, make your life an act of love, stretch out of your comfort zone, and more. A gift of peace, satisfaction and happiness! (Tabor)

      Happiness is an inside job
    • Floating to Space

      • 156 Seiten
      • 6 Lesestunden
      3,6(8)Abgeben

      Challenging the reader to consider what is possible, this book reveals an entirely new concept for getting into space—Airship to Orbit (ATO). Photographs and details are provided from the nearly 100 development flights conducted so far, along with new findings such as life 20 miles up and mile high plasma volcanoes. The blueprints and economic details of hypersonic airships and cities floating at the edge of space are all included, bringing the subject out of scientific journals and fantasy pages and into the public eye.

      Floating to Space
    • Why am I Afraid to Love?

      • 72 Seiten
      • 3 Lesestunden
      3,5(6)Abgeben

      Tradition has it that God's second commandment is that we should love one another. Why is it so hard? The capacity to love is in everyone. Yet so often it remains trapped and waiting to be released. In John Powell's best-selling Why Am I Afraid to Love, he carefully and sensitively confronts the barriers that restrain. He looks at the fear of rejection, the motives for love, how to truly understand the inner self and what true love looks like. He then considers the true test of love: can self be forgotten in loving others? Based on the original best-selling edition, this new book has been completely re-designed. A fitting companion to Why Am I Afraid to Tell You Who I Am?, it is one of the most original and popular self help books on the market. It sits comfortably alongside other classics like I'm OK, You're OK. Why Am I Afraid to Love has sold over 100,000 copies in its original edition.

      Why am I Afraid to Love?
    • How Music Works

      • 264 Seiten
      • 10 Lesestunden
      3,9(132)Abgeben

      Have you ever listened to an incredible piece of music and wondered exactly why it makes you want to dance or cry? Are you mystified by how musicians just 'know' what notes to play next when they're improvising? Or why certain notes sound great together and others clash? This title lets you discover the answers to these questions.

      How Music Works
    • Why We Love Music

      • 306 Seiten
      • 11 Lesestunden
      3,9(85)Abgeben

      A joyful exploration of music's effects on the mind

      Why We Love Music