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- 7,8 MB
- 17 kwi 11 14:36
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The bicycle is almost unique among human-powered machines in that it uses human muscles in a near-optimum way. This new edition of the bible of bicycle builders and bicyclists provides just about everything you could want to know about the history of bicycles, how human beings propel them, what makes them go faster, and what keeps them from going even faster. The scientific and engineering information is of interest not only to designers and builders of bicycles and other human-powered vehicles but also to competitive cyclists, bicycle commuters, and recreational cyclists.
The third edition begins with a brief history of bicycles and bicycling that demolishes many widespread myths. This edition includes information on recent experiments and achievements in human-powered transportation, including the "ultimate human- powered vehicle," in which a supine rider in a streamlined enclosure steers by looking at a television screen connected to a small camera in the nose, reaching speeds of around 80 miles per hour. It contains completely new chapters on aerodynamics, unusual human-powered machines for use on land and in water and air, human physiology, and the future of bicycling. This edition also provides updated information on rolling drag, transmission of power from rider to wheels, braking, heat management, steering and stability, power and speed, and materials. It contains many new illustrations.
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- 2,1 MB
- 17 kwi 11 14:36
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Scientists are in the business of trying to understand the world. Exploring commonplace phenomena, they have uncovered some of Nature's deepest laws. We can in turn apply these laws to our own lives, to better grasp and enhance our performance in daily activities as varied as cooking, home improvement sports-even dunking a doughnut! This book makes the science of the familiar a key to opening the door for those who want to know what scientists do, why they do it, and how they go about it. Following the routine of a normal day, from coffee and breakfast to shopping, household chores, sports, a drink, supper, and a bath, we see how the seemingly mundane can provide insight into the most profound scientific questions. Some of the topics included are the art and science of dunking, how to boil an egg, how to tally a supermarket bill, the science behind hand tools, catching a ball, or throwing a boomerang, the secrets of haute cuisine, bath (or beer) foam, and the physics of sex.
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- 3,0 MB
- 17 kwi 11 14:36
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"Brilliant! There has been an unfilled market for this type of book. . . . Happily, this book . . .is by a wide margin the best reference now available . . . The book is very well written. It has a light, almost breezy style that is mixed with a subtle yet attractively understated British wit. It is above all a great read that is hard to put down. T he strongest part of this book is the discussion of the brewing process. . . . In summary, Beer: Tap into the Art and Science of Brewing is a brilliant achievement that nontechnical people will find accessible and quite valuable. It is also highly recommended for technical people because it does show how the art and science of brewing can be communicated effectively to a wider audience." -- American Brewer
"The authoritative, clear and easily understood description of a complex, technical, and sometimes mysterious subject is the book's greatest value."--Choice
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- 15,4 MB
- 17 kwi 11 14:36
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Clarke uses ice cream to explain a very wide range of topics, from colloids (emulsions, sols gels and foams -yes ice cream is all of these); to the basic thermodynamics of phase transitions and the rheology of complex fluids and polymer solutions. The treatment is generally at a level that could he understood by an A-level student, while retaining interest for all levels.
The book is not just a textbook for those in the ice cream industry; it is also a great book for showing that science is both fun and relevant to our everyday lives.
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- 3,1 MB
- 17 kwi 11 14:36
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For the first time ever, science gives us the answers to questions like what's the chance of a team that wins the League or Premiership also winning the Cup? Can you predict how many goals will be scored? What's the best height for footballers? Is the winning team the best team? The Science of Soccer is a fascinating book, dealing with a wide range of subjects where scientific analysis can be applied to football. Starting with a qualitative description of the basic physics that relate to the ball and its bounce, the author then moves through kicks and throws to a simple account of the more complex physics of a ball in flight. Fulfilling your scientific curiosity, this book uncovers aspects of the game that are not normally discussed. It includes a look at game theory, how the rules affect the flow and enjoyment of the game, why the best team does not always win, unusual statistics about players, and an insight into the economics of the game.
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- 0,7 MB
- 17 kwi 11 14:36
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There are three men whose life’s work helped free science from the strait-jacket of religion. Two of the three—Nicolaus Copernicus and Charles Darwin—are widely heralded for their breakthroughs. The third, James Hutton, is comparatively unknown, yet he profoundly changed our understanding of the earth, its age, and its dynamic forces.
A Scottish gentleman farmer, Hutton’s observations on his small tract of land led him to a theory that directly contradicted biblical claims that the Earth was only 6,000 years old. This expertly crafted narrative tells the story not only of Hutton, but also of Scotland and the Scottish Enlightenment, including many of the greatest thinkers of the age, such as David Hume and Adam Smith.
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