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Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example problems and a glossary. Grow your own crystals. Browse molecular structures. Find articles on chemistry. Find out how things work and get answers to common science questions.

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Award winning Materials Science & Engineering educational software, interactive simulations, animations and videos. Currently available modules: Ferrous Metallurgy, Diffraction and Solidification. Version 2.1 of Materials Science on CD-ROM, contains 18 modules. There is also a help/tutorial program and an updated glossary. Introduction to crystallography, Introduction to electrons in crystals, Introduction to point defects, Dislocations, Introduction to phase diagrams, Thermodynamics of phase diagrams, Atomic diffusion in metals and alloys, Nucleation in metals and alloys, Introduction to electron microscopes, Image fundamentals, Beam-specimen interactions, Using the SEM , Aluminium Alloys: Systems , Aluminium Alloys: Strengthening , Aluminium Alloys: Processing , Mechanics of composite materials, Deformation of Polymers , Rubber Elasticity, Glossary