Résultats Éditeur "Tantor Audio" dans Science et technologie

His father conceived of the Brooklyn Bridge, but after John Roebling's sudden death, Washington Roebling built what has become one of American's most iconic structures - as much a part of New York as the Statue of Liberty or the Empire State Building. Yet, as recognizable as the bridge is, its builder is too often forgotten - and his life is of interest far beyond his chosen field. It is the story of immigrants, of the frontier, of the greatest crisis in American history, and of the making of the modern world.

Soon after its debut at the time of the Civil War, the Gatling gun changed the nature of warfare and the course of world history. Discharging 200 shots per minute with alarming accuracy, the world's first machine gun became vitally important to protecting and expanding America's overseas interests.

Volcanoes have fascinated - and terrified - people for ages. They have destroyed cities and ended civilizations. In this book, John Dvorak, the acclaimed author of Earthquake Storms, looks into the early years of volcanology and its "father", Thomas Jaggar. Jaggar was the youngest of five scientists to investigate the explosion of Mount Pelee in Martinique, which leveled the entire city of St. Pierre and killed its entire population in two minutes.

John Roebling was one of the 19th century's most brilliant engineers, ingenious inventors, successful manufacturers, and fascinating personalities. Raised in a German backwater amid the war-torn chaos of the Napoleonic Wars, he immigrated to the US in 1831, where he became wealthy and acclaimed, eventually receiving a carte-blanche contract to build one of the 19th century's most stupendous and daring works of engineering: a gigantic suspension bridge to span the East River between New York and Brooklyn.

In the late 1930s, legendary financier, philanthropist, and society figure Alfred Lee Loomis gathered the most visionary scientific minds of the 20th century at his state-of-the-art laboratory in Tuxedo Park, New York. He established a top-secret defense laboratory at MIT and personally bankrolled pioneering research into new, high-powered radar detection systems that helped defeat the German Air Force and U-boats. With Ernest Lawrence, he pushed Franklin Delano Roosevelt to fund research in nuclear fission, which led to the development of the atomic bomb.

In 1957 Sputnik launched toward the stars. President Kennedy then announced that the United States would send men to the Moon and then return them to Earth.These pivotal moments sparked an unequaled bound forward in human innovation and scientific exploration. At the heart of this momentous time were the men and women working behind the scenes. Scientists, historians, and astronomers share their memories and contributions from this unparalleled era in essays told in their own words.