http://www.netvouz.com/nijuku/tag/weight?feed=rss nijuku's bookmarks tagged "weight" on Netvouz http://science.howstuffworks.com/bridge.htm/printable Bridges support tremendous weight, span huge distances and all the while withstand the greatest forces of nature. Find out about these engineering feats (as well as some of the flaws). Engineering nijuku Sat, 23 Dec 2006 17:10:16 GMT