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Fundamental Physical Constants from NIST
Interactive Chemistry
[http://serendip.brynmawr.edu/sci_edu/chemsites.html] - - public:time
loads of links to great sources -- rated!
Periodic Table of Elements and Chemistry
Dynamic Periodic Table
Dynamic Periodic Table
Science Videos Search Engine
Welcome to Sciencemadness Dot Org
[http://www.sciencemadness.org/] - - public:time
Mad Science is about monsters, insanity, pitchfork-wielding villagers, and Things Man was Not Meant to Know. More prosaically, Mad Science is about exploring and manipulating aspects of the natural world without the facilities or resources of "sane scienc