Editora: Simone Malacrida
This book is a journey into the world of electromagnetic waves and focuses on a historical and technological account of how they have routinely entered the daily life of society today. All sources of electromagnetic waves, natural or man-made, are carefully analyzed through language suitable for everyone and with repeated examples.
A professional tree climber encounters gorillas, snakes, spiders, and birds of prey, as well as answers and perspective, hundreds of feet up, all over the world
Every child knows the allure of climbing trees. But how many of us get to make a living at it, spending days observing nature from the canopies of stunning forests all around the world?
As a wildlife cameraman for the BBC and National Geographic, James Aldred spends his working life high up in trees, poised to capture key moments in the lives of wild animals and birds. Aldred's climbs take him to the most incredible and majestic trees in existence. In Borneo, home to the tallest tropical rain forest on the planet, just getting a rope up into the 250-foot-tall trees is a challenge. In Venezuela, even body armor isn't guaranteed protection against the razor-sharp talons of a nesting Harpy Eagle. In Australia, the peace of being lulled to sleep in a hammock 25 stories above the ground—after a grueling day of climbing and filming—is broken by a midnight storm that threatens to topple the tree.
In this vivid account of memorable trees he has climbed ("Goliath", "Apollo", "Roaring Meg"), Aldred blends incredible stories of his adventures in the branches with a fascination for the majesty of trees to show us the joy of rising—literally—above the daily grind, up into the canopy of the forest.
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FREAX – the biggest book ever written about the history of the computer demoscene. The book tells the complete history of the Commodore 64 and the Amiga, both about the machines and about the underground subcultures around them, from the cracker- and warez-scene to the demoscene, from hacking and phreaking to the ASCII art scene. Interviews with scene celebrities, former key persons of the computer industry, citations from contemporary magazines and fanzines make the narrative history of the big adventure complete. The book contains 350 pages and is illustrated with 480 color photos and screenshots. This is the comprehensive guide to the golden era of home computers.Ver livro
The Rose-breasted Grosbeak often stays out of sight among the treetops. However, its rich melodious song consisting of whistled phrases, somewhat similar to the American Robin's voice can often be heard in spring and summer. Where the range of this species overlaps with that of the Black-headed Grosbeak on the Great Plains, the two sometimes interbreed. This binaural audio recording features the Rose-breasted Grosbeak birdsong recorded in its natural habitat in Iowa’s Yellow River State Forest near a delicate babbling river stream together with other birds, insects, and ground creatures. Other birdsongs include: Red-winged Blackbird, Song Sparrow, Blue Jay, Mourning Dove, American Crown with American Goldfinch, Gray Catbird, Yellow-bellied Sapsucker drumming in background.Ver livro
An in-depth look at the past, present, and future of China’s military. When Mao Zedong proclaimed the People’s Republic of China in 1949, China was a poor and wrecked society after years of continuous wars. For centuries, in fact, China had been seen as a sort of plunder-zone to be invaded, and then a backwater until the late 1980s—when domestic policy brought about monumental changes. The result is that China has grown to be the second largest economy in the world, and its military has grown proportionately. Successive decades of economic growth have transformed China—in addition to the weapons revolution during the computer age—so that the People’s Liberation Army (PLA) has become a modern fighting force. No longer having to rely on massed infantry attacks, it now features a formidable arsenal, including nuclear submarines, ICBMs, stealth fighters, and modern battle tanks. Perhaps ominously for other maritime powers, the Chinese have also focused on beyond-the-horizon missile technology, as well as antiaircraft systems, and have explored the possibilities of cyber-warfare. What is today’s PLA really like? What are its traditions and histories, and how is it armed and equipped? How does it recruit and train? This book describes some of the lesser-known battles and wars the Chinese have undertaken and the development of their key weapons systems. The United States, having opened the door to drone warfare, has had an attentive audience for such technologies in Beijing. The last chapter provides thoughts on how the Chinese view matters of security. It is not yet known whether foreign powers can still enforce their territorial wills on China—but future attempts will meet an increased challenge.Ver livro
Who needs TV when the waves at the beach are phosphorescing, the fungal internet is pulsing, and the laws of physics are being broken all around us by...water? These Bioneers celebrate the wonders of nature they encounter in their work for the Earth and explore, among other things, "the ocean eye" and variations on a nematode worm.Ver livro
The United States spends far more money on health care than any other country, and yet nearly 50,000,000 Americans are uninsured at least part of the time each year.Health Care Reform Now! is written for anyone who cares enough about our health care situation to consider serious alternatives to the current system. In this book George Halvorson - an internationally known health care leader and author - offers a sensible approach to health care reform and universal coverage that can work for all stakeholders.Step by step, George Halvorson outlines a game plan to create a truly world-class health care system that will appeal to policy makers on both ends of the political spectrum and will deliver health care with improved quality, better access, provider accountability, performance transparency, consumer choice, and individual empowerment.As readable as it is instructive, Health Care Reform Now! proposes a practical model that solves the unsolvable by identifying specific areas where health care performance improvement can create better outcomes, better choices, and far better use of the health care dollar. Halvorson also explains why "reform" itself needs to be a "product" rather than just a concept. He explains why quick action is essential and how using the right tools - the focus on real costs and the use of real data and better caregiver support systems - can make universal coverage easy to administer, efficient, affordable, and "free" in three years compared to what the total cost of care would be without universal coverage.Ver livro
