The INTERNET Database of Periodic Tables
There are hundreds of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Dr Mark R Leach.
Twin Spiral Pi Trinomial - Based Periodic Table
A Twin Spiral Pi Trinomial - Based Periodic Table by Bill Harrington, Founder/CTO of Rainforest Reactor Research and Temporal Dynamics Laboratory. For full size, click the image:
© Mark R. Leach 1999-
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counter started in 2011