http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- As every five-year-old knows, balancing on a bicycle is not as easy as it looks. But, as engineers know, getting a bicycle to balance by itself - without a human riding it - is even more difficult. http://www.physorg.com/news145018303.html Technology Tue, 04 Nov 2008 10:51:43 EST news145018303