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This graduate/advanced undergraduate textbook contains a systematic and elementary treatment of finite groups generated by reflections. The approach is based on fundamental geometric considerations in Coxeter complexes, and emphasizes the intuitive geometric aspects of the theory of reflection groups. Key features include: many important concepts in the proofs are illustrated in simple drawings, which give easy access to the theory; a large number of exercises at various levels of difficulty; some Euclidean geometry is included along with the theory of convex polyhedra; no prerequisites are necessary beyond the basic concepts of linear algebra and group theory; and a good index and bibliography The exposition is directed at advanced undergraduates and first-year graduate students.
Of all human inventions, the mirror is perhaps the one most closely connected to our own consciousness. As our first technology for contemplation of the self, the mirror is arguably as important an invention as the wheel. Mirror Mirror is the fascinating story of the mirror's invention, refinement, and use in an astonishing range of human activities -- from the fantastic mirrored rooms that wealthy Romans created for their orgies to the mirror's key role in the use and understanding of light. Pendergrast spins tales of the 2,500year mystery of whether Archimedes and his "burning mirror" really set faraway Roman ships on fire; the medieval Venetian glassmakers, who perfected the technique of making large, flat mirrors from clear glass and for whom any attempt to leave their cloistered island was punishable by death; Isaac Newton, whose experiments with sunlight on mirrors once left him blinded for three days; the artist David Hockney, who holds controversial ideas about Renaissance artists and their use of optical devices; and George Ellery Hale, the manic-depressive astronomer and telescope enthusiast who inspired (and gave his name to) the twentieth century's largest ground-based telescope. Like mirrors themselves, Mirror Mirror is a book of endless wonder and fascination.
Discover the power of mirror meditation to help you awaken self-compassion, increase self-awareness, and gain the confidence needed to thrive. Seeing ourselves clearly isn’t always easy—especially in the age of social media. Technology has eroded our capacity for authentic self-reflection. As a result, we feel more anxious and depressed, have shorter attention spans, and have become more estranged from ourselves and each other. We’ve also become more critical of our physical appearance, and this self-criticism can damage our confidence and stand in the way of our happiness. In order to heal, we must come face to face with our true selves—not the images of ourselves that we alter and post online. If you're ready for self-reflection that has nothing to do with selfies, this book will reveal the way. Based in cutting-edge neuroscience, Mirror Meditation offers mindful practices for increasing your self-awareness, managing stress and emotions, developing self-compassion, and increasing your confidence and personal presence. Using the three principles of mindfulness meditation—attention to the present moment, open awareness, and kind intention toward oneself—you’ll realize just how much your self-criticisms are affecting you. Then you’ll have a choice—and a practice—to treat yourself with more self-acceptance. Self-awareness can help you break free from both your inner critic and the external world that stokes the fears and anxieties that we are never good enough, never have enough, and are never safe enough. The simple self-mirroring technique in this unique guide isn’t grounded in technology—just a commitment to be present with yourself.
Her Silence is BROKEN. Her voice is now heard. Echoing loud, vibrant and FREE. A decade's long journey will now be told. from successfully single to married with five children in one year. Chronicling homelessness, marital affairs, grief, loss, divorce, and joy. All while learning to listen to that still small voice. Crying God where are you. Learning to find him in the murkiest of waters. These are her personal reflections.
A thrilling gothic horror novel about biracial twin sisters separated at birth, perfect for fans of Lovecraft Country and The Vanishing Half As infants, twin sisters Charlie Yates and Magnolia Heathwood were secretly separated after the brutal lynching of their parents, who died for loving across the color line. Now, at the dawn of the Civil Rights Movement, Charlie is a young Black organizer in Harlem, while white-passing Magnolia is the heiress to a cotton plantation in rural Georgia. Magnolia knows nothing of her racial heritage, but secrets are hard to keep in a town haunted by the ghosts of its slave-holding past. When Magnolia finally learns the truth, her reflection mysteriously disappears from mirrors—the sign of a terrible curse. Meanwhile, in Harlem, Charlie's beloved grandmother falls ill. Her final wish is to be buried back home in Georgia—and, unbeknownst to Charlie, to see her long-lost granddaughter, Magnolia Heathwood, one last time. So Charlie travels into the Deep South, confronting the land of her worst nightmares—and Jim Crow segregation. The sisters reunite as teenagers in the deeply haunted town of Eureka, Georgia, where ghosts linger centuries after their time and dangers lurk behind every mirror. They couldn’t be more different, but they will need each other to put the hauntings of the past to rest, to break the mirrors’ deadly curse—and to discover the meaning of sisterhood in a racially divided land.
APlusPhysics: Your Guide to Regents Physics Essentials is a clear and concise roadmap to the entire New York State Regents Physics curriculum, preparing students for success in their high school physics class as well as review for high marks on the Regents Physics Exam. Topics covered include pre-requisite math and trigonometry; kinematics; forces; Newton's Laws of Motion, circular motion and gravity; impulse and momentum; work, energy, and power; electrostatics; electric circuits; magnetism; waves; optics; and modern physics. Featuring more than five hundred questions from past Regents exams with worked out solutions and detailed illustrations, this book is integrated with the APlusPhysics.com website, which includes online question and answer forums, videos, animations, and supplemental problems to help you master Regents Physics essentials. "The best physics books are the ones kids will actually read." Advance Praise for APlusPhysics Regents Physics Essentials: "Very well written... simple, clear engaging and accessible. You hit a grand slam with this review book." -- Anthony, NY Regents Physics Teacher. "Does a great job giving students what they need to know. The value provided is amazing." -- Tom, NY Regents Physics Teacher. "This was tremendous preparation for my physics test. I love the detailed problem solutions." -- Jenny, NY Regents Physics Student. "Regents Physics Essentials has all the information you could ever need and is much easier to understand than many other textbooks... it is an excellent review tool and is truly written for students." -- Cat, NY Regents Physics Student
Life is the ultimate team sport, you simply can't go through it alone. It took me a long time to realize just how true that was. Once I did, it was life changing, and this book talks about my journey to developing a man in the mirror I could be proud of while living a life to make a difference, and make my family proud. It was a bumpy road, and I am nowhere near content with the man I am, but everyday is a step in the right direction. Today when I look in the mirror, I see all the men and women who helped me become the man I am today. These reflections are just a fraction of my journey, but I wish to share with you reflections from the deepest depths of my heart and soul that have drastically altered the course of my life.
NEW YORK TIMES BESTSELLER • “From The New Yorker’s beloved cultural critic comes a bold, unflinching collection of essays about self-deception, examining everything from scammer culture to reality television.”—Esquire Book Club Pick for Now Read This, from PBS NewsHour and The New York Times • “A whip-smart, challenging book.”—Zadie Smith • “Jia Tolentino could be the Joan Didion of our time.”—Vulture FINALIST FOR THE NATIONAL BOOK CRITICS CIRCLE’S JOHN LEONARD PRIZE FOR BEST FIRST BOOK • NAMED ONE OF THE TEN BEST BOOKS OF THE YEAR BY THE NEW YORK PUBLIC LIBRARY AND HARVARD CRIMSON AND ONE OF THE BEST BOOKS OF THE YEAR BY The New York Times Book Review • Time • Chicago Tribune • The Washington Post • NPR • Variety • Esquire • Vox • Elle • Glamour • GQ • Good Housekeeping • The Paris Review • Paste • Town & Country • BookPage • Kirkus Reviews • BookRiot • Shelf Awareness Jia Tolentino is a peerless voice of her generation, tackling the conflicts, contradictions, and sea changes that define us and our time. Now, in this dazzling collection of nine entirely original essays, written with a rare combination of give and sharpness, wit and fearlessness, she delves into the forces that warp our vision, demonstrating an unparalleled stylistic potency and critical dexterity. Trick Mirror is an enlightening, unforgettable trip through the river of self-delusion that surges just beneath the surface of our lives. This is a book about the incentives that shape us, and about how hard it is to see ourselves clearly through a culture that revolves around the self. In each essay, Tolentino writes about a cultural prism: the rise of the nightmare social internet; the advent of scamming as the definitive millennial ethos; the literary heroine’s journey from brave to blank to bitter; the punitive dream of optimization, which insists that everything, including our bodies, should become more efficient and beautiful until we die. Gleaming with Tolentino’s sense of humor and capacity to elucidate the impossibly complex in an instant, and marked by her desire to treat the reader with profound honesty, Trick Mirror is an instant classic of the worst decade yet. FINALIST FOR THE PEN/DIAMONSTEIN-SPIELVOGEL AWARD FOR THE ART OF THE ESSAY
Deconstruction is no game of mirrors, revealing the text as a play of surface against surface. Its more radical philosophical effort is to get behind the mirror and question the very nature of reflection. The Tain of the Mirror explores that gritty surface without which no reflection would be possible.
She begins with an intriguing tour through the history of the mirror, from its origins in prehistory right up to the present. With the help of 200 spectacular photographs, she demonstrates the many remarkable ways in which mirror has been used over the past three centuries to transform spaces of every size and shape. Using dozens of examples, ranging from the Palace at Versailles to a modern shoe store in New York City, she describes techniques developed by architects and designers to alter perspectives and change the way people respond to both private and public spaces. Ms. Heyne explores the use of mirror in a variety of settings - from bedrooms, living rooms, exercise rooms, and nurseries, to restaurants, lobbies, clothing stores, and hospitals. She offers valuable technical advice on the uses and misuses of mirror in a wide variety of settings and summarizes what is known about the psychological impact of mirror in each setting.