The Periodic Spiral envisions a remedy to the flaws in conventional periodic tables by illustrating hydrogen's ambiguous relationship to the noble gases and halogens while recognizing its relationship to the alkali metals; it also fully integrates the lanthanons and actinons into the design

Introducing Periodic Spiral...

It has been described as "logical and fresh" by reknowned astronomer and author Bob Berman; and serves as a design motif for the entry to a new $34.5 million science complex at Mount Holyoke College in Massachusetts. Following two years of development, the concept has been realized as en e-learning application for Windows, Macintosh OS 9 and OS X.

NEW Version 2.0 includes dynamic updating of content from the internet; a new help engine; meets Section 508 of the Rehabilitation Act; a new search engine; new sliders; new color emission spectra; a new floating compound panel; and updated content for the twelve main categories and 200 menu items. For a complete listing of new features and enhancements, click on features in the navigation at left.

While there are many versions of the periodic table on the Web, the Periodic Spiral is the most comprehensive in its coverage of the elements and their interplay, and most efficient in enabling the user to access myriad informational categories with the click of a mouse. You may download a free, features-limited, version of the Periodic Spiral at left. Licenses can be purchased securely and will enable the full version in a matter of minutes. In addition, there exists a Shockwave version of the demo - for which you will need Macromedia's free Shockwave player. Continue reading...