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Comprehensive data on the chemical element Carbon is provided on this page; including scores of properties, element names in many languages, most known nuclides of Carbon.Common chemical compounds are also provided for many elements.In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.“We were able to estimate a creation date for 75.90 percent of the resources, with 32.78 percent having the correct value,” they say.That’s not quite as accurate as a researcher or journalist might like, but it’s a start.If you wanto to test it yourself, Salah Eldeen and Nelson say they’ve made Carbon Date available at 23 April: link updated and now working. The service gives the estimated date of creation of October 2001.The historians at Tech Review tell me they first started using the domain in February 2001, so that’s not far off.
Each of these is straightforward to check by itself, but checking them all to find the earliest date is time-consuming. Salah Eldeen and Nelson say their new tool works reasonably well.
They tested it on a set of 1200 Web pages for which the creation date was already known.
Ever needed to know the age of a Web page only to discover that it lacks a time stamp saying when it was published?
If so, then the work of Hany Salah Eldeen and Michael Nelson at Old Dominion University in Norfolk, Virginia, may be of interest.
These guys have created a Web application called Carbon Date that works out the creation date of a page by searching for the earliest evidence of its existence. Many Web pages end up being recorded in various ways soon after they are created.