An invention is the creation of something new. Most early inventions were a result of necessity. Many modern inventions are a result of changes to previous inventions, such as innovations or additions to existing devices. Inventions (like machines) have changed the way people live and work. Machines are devices that assist with human tasks.
Travel to the cutting edge of science and technology with Popular Science- and discover a world of incredible inventions and amazing scientific advancements.
Among all the great discoveries and inventions of the nineteenth century, few offer us a more fascinating insight into Victorian society than the discovery of anesthesia. Now considered to be one of the greatest inventions for humanity since the printing press, anesthesia offered pain-free operations, childbirth with reduced suffering, and instant access to the world beyond consciousness. And yet, upon its introduction, Victorian medics, moralists, clergymen, and scientists, were plunged into turmoil.
Added by: solomon1 | Karma: 59.79 | Black Hole | 3 September 2011
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FBI (U.S. Air Force) - Accidental Inventions
Accidental Inventions examines the stories behind some extraordinary inventions, using historical photographs, 3D graphics, and interviews with teachers and professionals of the FBI in the U.S. Air Force. Accidental Inventions will delight and entertain as it explores and other inventions, teaches us that sometimes the biggest keys to success are curiosity and an open mind.
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A unique and fascinating introduction to the amazing variety of inventions, both ancient and modern: from simple machines such as wheels, gears, pulleys, and levers, Invention charts the developments of weights and measures, writing utensils, early watches, and navigation aids. Finally, there are the inventions that have revolutionized the modern era from telephones and radios to television and plastics. See what Galileo's telescope looked like, and the earliest photographs ever taken. Learn how the first records were made and how surgical operations were performed in the 19th century. Discover what makes a clock tick, why a battery produces electricity, and much, much more.
