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Joseph Le Conte (February 26, 1823 - July 6, 1901) was born in Liberty County, Georgia. He received an M.D. degree from the New York College of Physicians and Surgeons in 1845. After four years of practicing medicine, he entered Harvard University and studied natural history under Louis Agassiz. After graduating from Harvard, he taught at Oglethorpe University, Franklin College and South Carolina College. In 1869, Le Conte moved to the University of California, Berkeley, where he remained the rest of his life, teaching mainly in geology. In 1870 he visited Yosemite Valley and became friends with John Muir. Concerned about resource exploitation, Le Conte and Muir with others founded the Sierra Club in 1892. Le Conte died while visiting Yosemite Valley. Le Conte and his wife Caroline Nisbet, had four children.
This unique and encyclopedic reference work describes the evolution of the physics of modern shock wave and detonation from the earlier and classical percussion. The history of this complex process is first reviewed in a general survey. Subsequently, the subject is treated in more detail and the book is richly illustrated in the form of a picture gallery. This book is ideal for everyone professionally interested in shock wave phenomena.
This book takes readers back and forth through time and makes the past accessible to all families, students and the general reader and is an unprecedented collection of a list of events in chronological order and a wealth of informative knowledge about the rise and fall of empires, major scientific breakthroughs, groundbreaking inventions, and monumental moments about everything that has ever happened.
Here is an often cited panoramic history of the telegraph which discusses the principal telegraph firms and the key persons within them. Throughout his work, Reid stresses the business and economic aspects of marketing this remarkable scientific invention. The importance of The Telegraph in America as a classic reference in the field is under-scored by the fact that the author was active in telegraphy throughout the period he discusses. He thus had a personal knowledge of persons and events under examination.
Discover the pivotal political, military, and cultural events that shaped British and Irish history, from Stone Age Britain to the present day, in this revised and updated ebook. Combining over 700 photographs, maps, and artworks with accessible text, the History of Britain and Ireland is an invaluable resource for families, students, and anyone seeking to learn more about the fascinating story of the England, Scotland, Wales, and Ireland. Spanning six distinct periods of British and Irish history, this ebook is the best way to find out how Britain transformed with the Norman rule, fought two world wars in the 20th century, and faced new economic challenges in the 21st century. DK's visual guide places key figures - from Alfred the Great to Winston Churchill - and major events - from Roman invasion to the Battle of Britain - in their wider context, making it easier than ever before to learn how they influenced Britain and Ireland's development through the age of empire into the modern era.
Samuel F.B. Morse's invention of the telegraph marked a new era in communication. For the first time, people were able to communicate quickly from great distances. The genesis of Morse's invention is covered in detail, starting in 1832, along with the establishment of the first transcontinental telegraph line in the United States and the dramatic effect the device had on the Civil War. The Morse telegraph that served the world for over 100 years is explained in clear terms. Also examined are recent advances in telegraph technology and its continued impact on communication.