Category: Science

Download E-books Flatterland: Like Flatland, Only More So PDF

By Ian Stewart

First there has been Edwin A. Abbott's extraordinary Flatland, released in 1884, and one of many all-time classics of well known arithmetic. Now, from mathematician and comprehensive technological know-how author Ian Stewart, comes what Nature calls "a magnificent sequel." via larger-than-life characters and an encouraged tale line, Flatterland explores our current knowing of the form and origins of the universe, the character of area, time, and subject, in addition to smooth geometries and their purposes. the adventure starts off whilst our heroine, Victoria Line, comes upon her great-great-grandfather A. Square's diary, hidden within the attic. The writings support her to touch the distance Hopper, who tempts her clear of her domestic and kin in Flatland and turns into her consultant and mentor via ten dimensions. within the culture of Alice in Wonderland and The Phantom Toll sales space, this impressive research into the character of fact is destined to turn into a latest classic.

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Download E-books Introducing Geology: A Guide to the World of Rocks (Second Edition) (Introducing Earth and Environmental Sciences) PDF

This introductory ebook explains basically what geology can let us know in regards to the global. Many gadgets of serious attractiveness which excite our interest, similar to crystals or fossils, are to be came upon via interpreting rocks. these trying to find and interpreting such items achieve even more by means of understanding how and once they originated. Fossils, whereas attention-grabbing in themselves, let us know from their context in geological time of organic evolution, and those clues supply an perception into the origins of existence in the world. Copiously illustrated, this moment variation of Introducing Geology is for these whose curiosity in geology has been woke up. it's also a fantastic primer for these contemplating taking a path in Earth technological know-how. Technical phrases are saved to a minimal and are defined in a word list. [Subject: Geology, normal technology]

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Download E-books Visible and Invisible: The Wonders of Light Phenomena (Astronomers' Universe) PDF

Light phenomena have intrigued humankind for the reason that prehistory. consider the rainbow, a sundown at the sea, a online game of shadows. people have continually used gentle for his or her personal wishes, from cooking foodstuff to illuminating a room.

However, mild isn't just restricted to what we will be able to see with our eyes. The invisible a part of the electromagnetic spectrum is vast and dynamic. This ebook outlines the mysteries and wonders of electromagnetism, warmth, and lightweight. It additionally covers the historical past of our clinical realizing of light.

The darkish in addition to the brilliant facets of sunshine are absolutely explored in those pages, from their impression on our global to their use in state-of-the-art applied sciences in a number of fields. various full-color pictures and drawings supplement the textual content, and lightweight phenomena are defined in an easy and interesting way.

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Download E-books Explicar el mundo: El descubrimiento de la ciencia moderna PDF

By Steven Weinberg

En esta historia de l. a. ciencia, tan irreverente como ambiciosa, Steven Weinberg nos conduce a través de los siglos desde l. a. antigua Mileto hasta el Bagdad medieval y Oxford, desde l. a. Academia de Platón y el Museo de Alejandría hasta los angeles escuela de l. a. Catedral de Chartres y l. a. Sociedad actual de Londres. El autor nos traslada a l. a. mente de los científicos de los angeles Antigüedad y l. a. Edad Media para mostrarnos cómo ellos no solo no entendían lo que nosotros ya entendemos del mundo; en realidad, tampoco sabían qué period lo que había que entender, ni por supuesto cómo entenderlo.
Sin embargo, a raíz de l. a. lucha por resolver misterios stories como el curioso movimiento de los planetas y l. a. subida y bajada de las mareas, finalmente emergió los angeles disciplina de l. a. ciencia moderna, con sus objetivos y sus métodos. Weinberg examina los enfrentamientos y las colaboraciones que, a lo largo de ese tortuoso pero fascinante camino se dieron entre l. a. ciencia histórica y esferas competencia de los angeles religión, los angeles tecnología, las matemáticas, l. a. filosofía y los angeles poesía.

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Download E-books Paleofantasy: What Evolution Really Tells Us about Sex, Diet, and How We Live PDF

“With . . . proof from contemporary genetic and anthropological learn, [Zuk] bargains a dose of paleoreality.”―Erin Wayman, Science News

We advanced to consume berries instead of bagels, to reside in dust huts instead of condos, to dash barefoot instead of play football―or did we? Are bodies and brains really at odds with sleek existence? even though it could seem as if now we have slightly had time to shed our hunter-gatherer legacy, biologist Marlene Zuk finds that the tale isn't really so uncomplicated. renowned theories approximately how our ancestors lived―and why we must always emulate them―are frequently in accordance with hypothesis, no longer medical facts.

Armed with a razor-sharp wit and fabulous, eye-opening study, Zuk takes us to the innovative of biology to teach that evolution can paintings a lot quicker than was once formerly discovered, that means that we aren't biologically kind of like our caveman ancestors. opposite to what the sleek magazines may have us think, we don't take pleasure in potato chips simply because they crunch like the bugs our forebears snacked on. and girls don’t pass into shoe-shopping frenzies simply because their prehistoric foremothers amassed assets for his or her clans. As Zuk compellingly argues, such ideals incorrectly imagine that we’re stuck―finished evolving―and were for tens of hundreds of thousands of years. She attracts on interesting facts that examines every little thing from adults’ skill to drink milk to the feel of our ear wax to teach that we’ve really by no means stopped evolving. Our nostalgic visions of a great evolutionary previous during which we ate, lived, and reproduced as we have been “meant to” fail to acknowledge that we have been by no means ideally fitted to the environment. Evolution is ready swap, and each organism is filled with trade-offs.

From debunking the caveman vitamin to unraveling gender stereotypes, Zuk promises an engrossing research of common paleofantasies and the medical proof that undermines them, the entire whereas broadening our knowing of our origins and what they could fairly let us know approximately our current and our future.

15 illustrations

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Download E-books Birth: The Surprising History of How We Are Born PDF

By Tina Cassidy

“Well-researched and fascinating . . . start is a smart, virtually irreverent examine a permanent daily miracle. (A-)” —Entertainment Weekly
“Wonderful. Packed choked with details, a super mix of old knowledge and sleek science.” —Kate Mosse, writer of the New York Times most sensible vendor, Labyrinth
“Birth is a power-packed publication. . . . a full of life, attractive, and sometimes witty learn, a unusual, eye-opening account of 1 of life’s such a lot elemental experiences.” —The Boston Globe
Published to frequent acclaim, Tina Cassidy’s shrewdpermanent, enticing ebook is the 1st international heritage of childbirth in fifty years. From evolution to the epidural and past, Tina Cassidy offers an clever, enlightening, and impeccably researched cultural background of ways and why we’re born the best way we're. girls were giving start for millennia yet that’s concerning the basically consistent within the ultimate level of the good method that's human replica. Why is it that each tradition and iteration turns out to have its personal rules in regards to the most sensible approach to supply start? Cassidy explores the actual, anthropological, political, and non secular components that experience and should proceed to steer how ladies carry new lifestyles into the world.

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Download E-books Fundamentals of Body CT: Expert Consult (4th Edition) (Fundamentals of Radiology) PDF

By W. Richard Webb, Wiliam E. Brant, Nancy M. Major

Ideal for radiology citizens and practitioners, Fundamentals of physique CToffers an easily obtainable introduction to physique CT! thoroughly revised and meticulously up to date, this most modern variation covers today's such a lot crucial CT know-how, together with using multislice CT to diagnose chest, belly, and musculoskeletal abnormalities, in addition to the elevated function of 3D CT and CT angiography in scientific perform.

It's every little thing you must successfully practice and interpret CT scans.

• seek advice this name in your favourite e-reader, behavior swift searches, and modify font sizes for optimum clarity. suitable with Kindle®, nook®, and different well known units.

• Glean all crucial, updated, need-to-know information to successfully interpret CTs and the salient issues had to make exact diagnoses.

• overview how the anatomy of every physique zone seems to be on a CT test.

• grab each one approach and evaluate key steps quickly with a finished but concise layout.

• in achieving optimum effects with step by step instructions on tips on how to practice all present CT thoughts.

• evaluate diagnoses with a survey of significant CT findings for numerous universal diseases-with an emphasis on these findings that aid to distinguish one from one other.

• Make potent use of 64-slice MDCT and twin resource CT scanners with assurance of the most up-tp-date symptoms.

• remain current large updates of medical guidance that mirror contemporary adjustments within the perform of CT imaging, together with (ACCP) prognosis and administration of Lung melanoma guidance, paraneoplastic and greater vena cava syndrome, reactions to distinction answer and CT-guided needle biopsy.

• Get a transparent view of the present nation of imaging from largely up-to-date, fine quality photographs all through.

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Download E-books Fashionable Nonsense: Postmodern Intellectuals' Abuse of Science PDF

By Jean Bricmont

In 1996, Alan Sokal released an essay within the hip highbrow journal Social Text parodying the clinical yet impenetrable lingo of up to date theorists. right here, Sokal groups up with Jean Bricmont to reveal the abuse of medical options within the writings of contemporary most trendy postmodern thinkers. From Jacques Lacan and Julia Kristeva to Luce Irigaray and Jean Baudrillard, the authors record the mistakes made by means of a few postmodernists utilizing technological know-how to strengthen their arguments and theories. Witty and heavily reasoned, Fashionable Nonsense dispels the idea that clinical theories are mere "narratives" or social buildings, and explored the skills and the bounds of technological know-how to explain the stipulations of existence.

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Download E-books The Theory That Would Not Die: How Bayes' Rule Cracked the Enigma Code, Hunted Down Russian Submarines, and Emerged Triumphant from Two Centuries of Controversy PDF

By Sharon Bertsch McGrayne

Bayes' rule seems to be a simple, one-line theorem: by means of updating our preliminary ideals with target new details, we get a brand new and stronger trust. To its adherents, it really is a chic assertion approximately studying from event. To its rivals, it truly is subjectivity run amok.

In the first-ever account of Bayes' rule for normal readers, Sharon Bertsch McGrayne explores this arguable theorem and the human obsessions surrounding it. She strains its discovery via an beginner mathematician within the 1740s via its improvement into approximately its sleek shape by means of French scientist Pierre Simon Laplace. She finds why revered statisticians rendered it professionally taboo for a hundred and fifty years—at an identical time that practitioners depended on it to unravel crises concerning nice uncertainty and scanty details (Alan Turing's function in breaking Germany's Enigma code in the course of international warfare II), and explains how the arrival of off-the-shelf laptop expertise within the Nineteen Eighties proved to be a game-changer. at the present time, Bayes' rule is used in all places from DNA de-coding to place of birth Security.

Drawing on basic resource fabric and interviews with statisticians and different scientists, the idea that will no longer Die is the riveting account of ways a doubtless easy theorem ignited one of many maximum controversies of all time.

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Download E-books The Respiratory System (The Human Body: How It Works) PDF

Respiring is vital to human survival, because it provides us the mandatory oxygen we have to reside. but, the act of respiratory is an involuntary technique, anything many folks do not believe approximately on a day by day foundation. "The respiration procedure" explains how we get air into our lungs, and the way bodies use that air, and the elemental actual and organic rules underlying breathing functionality. moreover, this crucial name examines numerous breathing ailments and the way they impact the physique as an entire.

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