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In 1897, at the height of the heroic age of Arctic exploration, the visionary Swedish explorer S. A. Andrée made a revolutionary attempt to discover the North Pole by flying over it in a hydrogen balloon. Thirty-three years later, his expedition diaries and papers would be discovered on the ice. Alec Wilkinson uses the explorer’s papers and contemporary sources to tell the full story of this ambitious voyage, while also showing how the late 19th century’s spirit of exploration and scientific discovery drove over 1,000 explorers to the unforgiving Arctic landscape. Suspenseful and haunting, Wilkinson captures Andrée’s remarkable adventure and illuminates the detail, beauty, and devastating conditions of traveling and dwelling on the ice.
Hot air balloons are huge and colorful. They're lots of fun to watch. But how do they fly? And how do people control where the hot air balloon goes? Read this book to find out!
More than a century before the Wright brothers’ first flight, humans were taking to the skies in hot air balloons. Today, with basic craft skills, you can build and safely launch your own balloons using inexpensive, readily available materials. Author and inventor Clive Catterall provides illustrated, step-by-step instructions for eight different homemade models, as well as the science and history behind them. Some, like the Solar Tetroon or the Trash Bag Sausage, are made from plastic bags and tape. Others, like the Khom Loi or the Kongming Lantern, are built using tissue paper and wire. The Hot Air Balloon Book also shows readers ways to heat the interior air that lifts these balloons, from tea candles to hair dryers, kitchen toasters to the sun’s warming rays. Always keeping safety in mind, the author includes detailed guidelines on when and where open flames are appropriate and the proper weather conditions to launch these lighter-than-air craft.
"Owl has a red balloon and Monkey wants it, but Owl does not want to share. So Monkey tries to find something to trade for the balloon"--
Balloons are bright and floaty and shiny and perfect. More than anything else in the whole wide world, Isabel wants a balloon. Everyone will get one on Graduation Day—everyone except the porcupines, because Porcupines + Balloons = Trouble But Isabel isn't going to settle for another boring bookmark. She has a plan. . . .
If I built a car, it'd be totally new! Here are a few of the things that I'd do. . . . Young Jack is giving an eye-opening tour of the car he'd like to build. There's a snack bar, a pool, and even a robot named Robert to act as chauffeur. With Jack's soaring imagination in the driver's seat, we're deep-sea diving one minute and flying high above traffic the next in this whimsical, tantalizing take on the car of the future. Illustrations packed with witty detail, bright colors, and chrome recall the fabulous fifties and an era of classic American automobiles. Infectious rhythm and clever invention make this wonderful read-aloud a launch pad for imaginative fun.
Experiments with rubber balloons and rubber sheets have led to surprising observations, some of them hitherto unknown or not previously described in the literature. In balloons, these phenomena are due to the non-monotonic pressure-radius characteristic which makes balloons a subject of interest to physicists engaged in stability studies. Here is a situation in which symmetry breaking and hysteresis may be studied analytically, because the stress-stretch relations of rubber - and its non-convex free energy - can be determined explicitly from the kinetic theory of rubber and from non-linear elasticity. Since rubber elasticity and the elasticity of gases are both entropy-induced, a rubber balloon represents a compromise between the entropic tendency of a gas to expand and the entropic tendency of rubber to contract. Thus rubber and rubber balloons furnish instructive paradigms of thermodynamics. This monograph treats the subject at a level appropriate for post-graduate studies.
Originally published in 1977. This annotated guide to sources of information on the social science aspects of energy and energy alternatives describes materials and sources of interest to users at all levels. The chapters separate information according to the type of material or the issuing organization. The index classifies according to type of energy, or energy issue. The final chapter is a special section of listings of empirical social science studies on energy and the energy crisis which contain detailed annotation on the methods, variables and findings. Those research projects cover attitudes, behavior, costs, policy and other energy-related matters.
An accessible and entertaining look at the baffling world of physics, which is guaranteed to change the way you look at the world around you.