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Author: John Bryant
Publisher: Princeton University Press
ISBN: 1400837952
Category : Mathematics
Languages : en
Pages : 345
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Book Description
How do you draw a straight line? How do you determine if a circle is really round? These may sound like simple or even trivial mathematical problems, but to an engineer the answers can mean the difference between success and failure. How Round Is Your Circle? invites readers to explore many of the same fundamental questions that working engineers deal with every day--it's challenging, hands-on, and fun. John Bryant and Chris Sangwin illustrate how physical models are created from abstract mathematical ones. Using elementary geometry and trigonometry, they guide readers through paper-and-pencil reconstructions of mathematical problems and show them how to construct actual physical models themselves--directions included. It's an effective and entertaining way to explain how applied mathematics and engineering work together to solve problems, everything from keeping a piston aligned in its cylinder to ensuring that automotive driveshafts rotate smoothly. Intriguingly, checking the roundness of a manufactured object is trickier than one might think. When does the width of a saw blade affect an engineer's calculations--or, for that matter, the width of a physical line? When does a measurement need to be exact and when will an approximation suffice? Bryant and Sangwin tackle questions like these and enliven their discussions with many fascinating highlights from engineering history. Generously illustrated, How Round Is Your Circle? reveals some of the hidden complexities in everyday things.
Author: John Bryant
Publisher: Princeton University Press
ISBN: 1400837952
Category : Mathematics
Languages : en
Pages : 345
Get Book Here
Book Description
How do you draw a straight line? How do you determine if a circle is really round? These may sound like simple or even trivial mathematical problems, but to an engineer the answers can mean the difference between success and failure. How Round Is Your Circle? invites readers to explore many of the same fundamental questions that working engineers deal with every day--it's challenging, hands-on, and fun. John Bryant and Chris Sangwin illustrate how physical models are created from abstract mathematical ones. Using elementary geometry and trigonometry, they guide readers through paper-and-pencil reconstructions of mathematical problems and show them how to construct actual physical models themselves--directions included. It's an effective and entertaining way to explain how applied mathematics and engineering work together to solve problems, everything from keeping a piston aligned in its cylinder to ensuring that automotive driveshafts rotate smoothly. Intriguingly, checking the roundness of a manufactured object is trickier than one might think. When does the width of a saw blade affect an engineer's calculations--or, for that matter, the width of a physical line? When does a measurement need to be exact and when will an approximation suffice? Bryant and Sangwin tackle questions like these and enliven their discussions with many fascinating highlights from engineering history. Generously illustrated, How Round Is Your Circle? reveals some of the hidden complexities in everyday things.
Author: John Bryant
Publisher: Princeton University Press
ISBN: 0691149925
Category : Mathematics
Languages : en
Pages : 346
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Book Description
'How Round is your Circle?' includes chapters on: hard lines; how to draw a straight line; four-bar variations; building the world's first rules; dividing the circle; falling aprat; follow my leader; all approximations are rational; all a matter of balance; and finding some equilibrium.
Author: Anne Sibley O'Brien
Publisher: Charlesbridge Publishing
ISBN: 1632899299
Category : Juvenile Fiction
Languages : en
Pages : 32
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Book Description
A circle of children ask others to join in their play and soon find out that inclusion is irresistible! From the author of I'm New Here and Someone New comes an inspiring new story of inclusion. One child in a park waves over a second child. Two children then wave over a third. Counting from one to ten, a growing circle of children see new faces outside the group and invite them over. Children of different abilities, ages, genders, and races demonstrate how easy it can be to expand your group, extend yourself, and welcome new friends.
Author: Starhawk
Publisher: Bantam
ISBN: 0593355458
Category : Body, Mind & Spirit
Languages : en
Pages : 466
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Book Description
In our rushed, stressed society, it's sometimes difficult to spend meaningful time as a family. Now Starhawk, Diane Baker, and Anne Hill offer new ways to foster a sense of togetherness through celebrations that honor the sacredness of life and our Mother Earth. Goddess tradition embraces the wheel of life, the never-ending cycle of birth, growth, love, fulfillment, and death. Each turn of the wheel is presented here, in eight holidays spanning the changing seasons, in rites of passage for life transitions, and in the elements of fire, air, water, earth, and spirit. Circle Round is rich with songs, rituals, craft and cooking projects, and read-aloud stories, as well as suggestions for how you can create your own unique family traditions. Here are just some of the ways to make each event in the cycle of life more special: Mark Summer Solstice by making sweet-smelling herb pillows for good dreams Send a teenager off to college with the Leaving Behind and Carrying With rituals Comfort an injured child with the Tree of Life meditation Commemorate a loved one by planting or donating a tree As a one-of-a-kind resource for people of many faiths and beliefs, Circle Round will be a beloved companion in your home for years to come.
Author: Kari Maaren
Publisher: Tor Books
ISBN: 0765386283
Category : Fiction
Languages : en
Pages : 368
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Book Description
Madeleine L'Engle meets Stranger Things in this debut YA-friendly fantasy adventure about how the unexpected can move in next door
Author: Brad Montague
Publisher: Penguin
ISBN: 0593323181
Category : Juvenile Fiction
Languages : en
Pages : 34
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Book Description
The debut picture book from the creator of the viral sensation Kid President is a moving take on how we can create bigger and bigger circles of community and connections as we grow—now a New York Times bestseller! In the circles all around us, everywhere that we all go, there's a difference we can make and a love we can all show. This is the story of a circle. When we're first born, our circle is very small, but as we grow and build relationships, our circle keeps getting bigger and bigger to include family, friends, neighbors, community, and beyond. Brad Montague originally created Circles as an Instagram video adorably narrated by his kids, and now this picture book adaptation is the perfect way to start a conversation about how to expand our worlds with kindness and inclusivity—even if it seems scary or uncomfortable. This book makes an ideal new-baby, first-day-of-school, or graduation gift, or any milestone that celebrates someone's world getting bigger.
Author: Jack Skeen
Publisher: John Wiley & Sons
ISBN: 1119434858
Category : Business & Economics
Languages : en
Pages : 182
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Book Description
A roadmap to fulfillment, with practical tools for the journey The Circle Blueprint is your personal guide to fulfillment. Are you thriving or just surviving? Are you energized, balanced, and happy? This book helps you dig to the root of the problem, and gives you a roadmap for getting your life on a more positive trajectory. You’ll begin with an honest assessment of your current situation, and the life choices that got you there; this is your Circle, and through it, almost anything becomes possible. Your Circle can be adjusted—expanded, narrowed, balanced, or thrown off-kilter—to steer your life where you want it to go. Your Circle must be tended to, and whether you realize it or not, you make these choices every single day. This book helps you define your Circle, master it, and create the life you want to live. Finding satisfaction doesn’t mean starting a whole new life, it means reshaping the one you have to keep what’s working and adjust what’s holding you back. This book gives you the tools and insight you need to make the journey, with practical exercises to guide you through each step of the way. Think about how your life choices affect your emotional well-being Map your existing Circle to your current levels of life satisfaction Expand and balance your Circle to align more closely to your vision Discover the fulfillment of living life with purpose Wanting more doesn’t mean not liking what you have, it’s simply an acknowledgment that there is room for improvement. Change is not only possible; it’s often inevitable—but it’s up to you to dictate the course of these changes. The Circle Blueprint helps you chart your path, and gives you the tools you need to reach that destination.
Author: Bobbie Matela
Publisher: Annie's
ISBN: 1573676314
Category : Crafts & Hobbies
Languages : en
Pages : 82
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Book Description
Includes how-to instructions for using knitting looms and ten projects.
Author: Patrick Ness
Publisher: Candlewick Press
ISBN: 0763652172
Category : Young Adult Fiction
Languages : en
Pages : 559
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Book Description
Part two of the literary sci-fi thriller follows a boy and a girl who are caught in a warring town where thoughts can be heard – and secrets are never safe. Reaching the end of their flight in The Knife of Never Letting Go, Todd and Viola did not find healing and hope in Haven. They found instead their worst enemy, Mayor Prentiss, waiting to welcome them to New Prentisstown. There they are forced into separate lives: Todd to prison, and Viola to a house of healing where her wounds are treated. Soon Viola is swept into the ruthless activities of the Answer, while Todd faces impossible choices when forced to join the mayor’s oppressive new regime. In alternating narratives the two struggle to reconcile their own dubious actions with their deepest beliefs. Torn by confusion and compromise, suspicion and betrayal, can their trust in each other possibly survive?
Author: Maureen Kennedy
Publisher:
ISBN: 9780989477376
Category :
Languages : en
Pages : 76
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Book Description
This classic collection from Maureen Kennedy was first published in 1974. This brand new edition has been revised and edited to present classic children's songs, games, jump rope chants, and clapping games.These pieces come directly from children on the playground. Maureen has researched and collected all of these wonderful activities both as a historian and as a music educator. She has preserved them in the written notation exactly as she heard the children play them.This is a wonderful resource of all elementary teachers.A world of rhythm and melody may be going on right in your neighborhood. To tune in on what's happening, join the children on the playground or sidewalk, and listen. Chances are your local variety of play chants is being sung and clapped to or used as accompaniments to bouncing balls and jump ropes. I learned many of the songs and games in this collection from the children in my school. They sang, danced and played intricate clapping games with great gusto.Wherever children make do with improvised play space, may these songs and rhymes continue to be chanted and the games played.-Maureen Kennedy
