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Voici le "bi-rail GTS"... un réseau de transport et de distribution étudié selon la topographie du terrain. La priorité du concept est de réduire au maximum les coûts d'investissements à la construction, mais aussi à l'utilisation et également à son entretien. La comparaison avec les camions, le train ou les bateaux est vite faite et le choix économique s'impose de lui-même
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Le Réseau Financier Français favorise la rencontre entre investisseurs à la recherche de projets et entrepreneurs à la recherche de capitaux de départ. Les entrepreneurs peuvent enregistrer gratuitement leur proposition d'investissement qui sera ensuite adressée aux investisseurs qui ont indiqué des critères d'investissement répondant à la proposition. Si un investisseur souhaite analyser un projet, l'entrepreneur aura des frais de premier contact. La construction structure acier permet de nombreuses conceptions architecturales à des coûts raisonnables par rapport à une réalisation traditionnelle En règle générale on construit tout ce dont on pourrait avoir besoin pour vivre puisque l'industrie de l'acier réalise des bâtiments clos et couverts ainsi que tout le mobilier, y compris la décoration:
General Invention / Inventor SitesAncient Inventions - Photos and descriptions of basic inventions from medieval times and earlier centuries, such as woven cloth, catapult, pottery, compass, stained glass, candles, and many others. (Smith College)
Best
Inventions of 2007 - Time Magazine's choices for the year's best inventions.
You can also view Time's choice of best inventions for
2006,
2005,
2004,
2003,
2002, and
2001. See also
Popular Mechanics
Annual Breakthrough Awards Einstein's Legacy - Explains how x-rays, microwave ovens, lasers, tv screens, and related inventions work. (University of Colorado) Engines of Our Ingenuity - More than 1500 short essays taken from a radio series on inventions. Use the search box to search for a specific invention; to browse all the essays, go to the 'Full Titles of Episodes, with Keywords.' (University of Houston) Everyday Mysteries - Q & A about science and inventions such as GPS, boomerangs, frozen foods, automobiles, and more. Arranged by subject. Mostly for high school and up, though links may include good sites for younger students. (Library of Congress) Everyday Science - Describes experiments being done with catalytic converters, hard drives, Alzheimer's Disease, HIV/AIDS, space travel, environmental cleanup, and more - and how they may impact your everyday life in the future. High school and up. (National Synchrotron Light Source (NSLS), U.S. Department of Energy). See more on the South Plainfield Public Library's Science page. ExpoMuseum - Since the nineteenth century, World's Fairs have been a showcase for diverse cultures, scientific advancements, and new inventions. This site offers hundreds of links on the history of World's Fairs, from London's Great Exhibition of 1851 to Japan's Expo 2005, as well as information about upcoming fairs. (Personal / commercial site, by Urso Chappell) Greatest Engineering Achievements of the 20th Century - Lists the twenty inventions which had the greatest impact on the twentieth century, with a timeline and articles about the history of each. (National Academy of Engineering) Greatest Inventors and Inventions - Biographies of a dozen great inventors, plus a timeline, quiz, games, links, and bibliography. For elementary school students. (Thinkquest Junior) Greatest Inventions - Use the dropdown menus across the top to access invention timeline, lists of inventions and inventors, guides, and interactive pages. Keyword search was not working when tested, but you can use the A-Z index or the Sitemap page to navigate. (Thinkquest Library) History of Invention - A timeline of invention from the wheel to the DVD. Click on any invention for more information (use the upper frame's scroll bar to read the full description). (Canadian Broadcasting Corporation) History of Science, Technology & Industry - Extensive set of links on the history of science, technology, industry, and medicine, organized by broad subject area such as earth science, physical sciences, life sciences, engineering, medicine, computers, and more. You can also browse by historical period, or by type of resource (primary documents, images, audio, video, etc), or search by keyword. Previously part of the WWW Virtual Library. (George Mason University). History of Technology - In-depth history of technology in the Middle Ages, in Islamic Spain, and in China. For high school and up. (San Jose State University)
How Everyday Things Are Made
How Stuff Works
Inventing Modern America: From the
Microwave to the Mouse
Invention & Technology Magazine
- If you enjoy reading about inventions, you'll find lots of interesting
articles about all kinds of inventions in the latest issue and archives online.
Searchable (Commercial site: American Heritage / Forbes Media). Another site,
Invention at Play
Invention Dimension - Good 1- or 2-page biographies of hundreds of inventors, listed alphabetically by the inventor's name. You can also browse inventions by category. (Massachusetts Institute of Technology) Invention Links and Resources - Selected, annotated links to a variety of sites offering invention-related information, including sites for kids. (Massachusetts Institute of Technology) Inventions A to Z - Background on the invention of products from aspirin to zippers, with links and lists of recommended books. (Commercial site: Vaunt Design Group) Inventors A to Z - Includes biographies of some important inventors, with links and lists of recommended books. (Commercial site: Vaunt Design Group) Inventors Hall of Fame - Click on a broad subject area such as computer, industrial, or Nobel Prize winners, or click on 'Search' to look for a specific invention or inventor. You will get a picture of the inventor and a short biography. (National Inventors Hall of Fame Museum)
Lemelson Center for the Study
of Invention and Innovation
People and Discoveries - Stories of 120 twentieth-century scientists and their discoveries. You can search by name or keyword, browse discoveries chronologically or by broad subject. (PBS) Renaissance Connection - Demonstrates connections between the Renaissance and our own era in many aspects of life, including the arts, lifestyles, commerce, and science & technology. (Allentown Art Museum) Seven Wonders of the Modern World - Photos and brief descriptions of seven great civil engineering achievements of the 20th century: Channel Tunnel, CN Tower, Empire State Building, Golden Gate Bridge, Itaipu Dam, Netherlands North Sea Protection Works, and Panama Canal. (American Society of Civil Engineers) Street Use - 'This site features the ways in which people modify and re-create technology... In short, stuff as it is actually used, and not how its creators planned on it being used.' High school and up. (Personal / commercial site, by Kevin Kelly of Wired Magazine) Totally Absurd - Just for fun, a website dedicated to 'America's Goofiest Patents, featuring Real, USA Patented Inventions.' (Personal / commercial site, by by writer & artist Ted VanCleave ) What's That Stuff? - 'Ever wondered about what's really in hair coloring, Silly Putty, Cheese Wiz, artificial snow, or self-tanners?' These illustrated articles offer a look at the chemistry behind everyday products, as well as the history of their development. For high school and up. (American Chemical Society) Who Made America? - Explores the life and work of American innovators in business and technology, from Eli Whitney and Samuel Morse to Ted Turner and Estee Lauder, plus many more whose names are less familiar. Profiles of each innovator can be viewed chronologically, geographically, and by category. For high school students. (PBS) Women in Chemistry - Profiles women chemists of the past and present, and their work in environment, medicine, food, computers, and other fields (Chemical Heritage Foundation). See also Women and Technology; website may be slow to load (Rutgers IEEE History Center). Zoom Inventors and Inventions - Short entries on inventions and inventors, listed A to Z. You can search by time period, by country, or by broad subjects such as communication, medicine, or transportation, and there is also a list of women and African-American inventors. Some entries include a picture. For elementary school students. (Enchanted Learning, commercial / user-supported site) Individual Inventors, Inventions & DiscoveriesAnesthesia - Brief articles describing the first surgical operation performed under the influence of ether in 1846, what surgery was like before the development of anesthesia, and anesthesiology today. (Massachusetts General Hospital) Computer History Timeline - A year-by-year history of the development of computers, from 1945 to 1990, with pictures (Computer History Museum). For more on computer history, see Computer History FAQ & Hall of Fame (San Diego Computer Museum), and ENIAC: A Computer is Born (CNET, commercial site). See also South Plainfield Public Library's COMPUTERS links page.
Connected Earth: How Communication Shapes the World
Dream of Flight - Tells the story of human flight in words and images, from ancient myths to space travel, with a focus on the Wright brothers. Includes a timeline and list of recommended reading (Library of Congress). See also Milestones of Flight, 50 Years of the Space Age, and Air Mail in America (Smithsonian) Edison - Includes a biography of Thomas Edison, timeline, information about his inventions, overview of Edison and his era, and more (National Park Service). See also Thomas Edison, a Lifetime of Invention; website may be slow to load (Rutgers IEEE History Center), Edison Invents! and Edison after 40 (Smithsonian). Electricity - This virtual museum offers a brief history of electricity & its applications, and examines related topics such as microelectronics, nanotechnology, electronic music, and more. High school and up; website may be slow to load. (Rutgers IEEE History Center) Electron - Text and images exploring the life and work of J.J. Thomson, whose 1897 experiments led to the discovery of the electron, a fundamental building block of matter, and to knowledge which makes today's modern electronic technologies possible. (American Institute of Physics) Ford - Describes the life and career of the Henry Ford, who invented the moving assembly line to manufacture automobiles (Henry Ford Museum).
Gramophone
Nylon - Describes the invention and commercial development of this significant artificial fiber; article with photos. High school and up. (Smithsonian) Polio Vaccine - A timeline about the history of polio and the development of the Salk Polio vaccine. (University of Pittsburgh) Polymers (Plastics) - A brief explanation of what polymer plastics are, plus a timeline, biographies, and additional resources (Chemical Heritage Foundation). See also What Are Plastics? and Plastics Timeline (Plastics Historical Society). See also Sustainable Plastics for a discussion of problems with fossil-fuel based plastics and the potential of bio-based plastics (non-profit organization: Institute for Local Self-Reliance).
Race for DNA
Seeds of Trade - Click on Products to find out about the origins of plants from aloe to yam, their early cultivation and uses, and their role in modern life. You can also learn about categories of products (such as building materials or drugs), a historical era, or a region of the world. High school and up. (Natural History Museum, London) Technology in America - Timelines, photos, and descriptions of important people and events in the history of the telephone, the television, and the New York City subway system. Also includes a feature on forgotten inventors. There is a related site on The Great Transatlantic Telegraph Cable (PBS) Telephone - A brief overview of Alexander Graham Bell's invention of the telephone in 1876, with links to more information, plus a timeline of communications technology from the 19th through the 21st centuries (AT&T). See also Telephone Tribute (personal site, by David Massey). Television: The Farnsworth Archives - The story of Philo T. Farnsworth, the inventor of television (Farnsworth family site). See also Philo Farnsworth (Time Magazine), MZTV Museum of Television (City TV & Panasonic), Big Dream, Small Screen, and TV Milestones (PBS). To learn about new developments in digital and high-definition TV technology, see The Future of Television (PBS) Time - This online exhibit 'explores the changing ways we have measured, used, and thought about time over the past 300 years,' and how mechanical clocks increasingly came to regulate our daily lives. Organized by time periods, of course! (Smithsonian)
Toy Hall of Fame -
Pictures and stories about the history of classic toys such as marbles, Crayola
crayons, teddy bears, Barbie dolls, Play-Doh, bicycles, Monopoly, jigsaw
puzzles, rocking horses, and many others (Strong Children's Museum). See also
History of Toys
& Games
Transistor
Transportation: America on
the Move
World of Oil - Explains the history and geology of petroleum: how it is formed, methods of discovery, and a variety of everyday uses (Paleontological Research Institution / Cornell University). For more on energy sources, see the Physics section of the South Plainfield Public Library's Science page
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