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Offers interactive demonstrations of anything that can be modeled mathematically - bacteria growth, light refraction, supply and demand, etc. Running a demo requires Mathematica Player, which can be downloaded free, along with the demos

About the Wolfram Demonstrations Project Conceived by Mathematica creator and scientist Stephen Wolfram as a way to bring computational exploration to the widest possible audience, the Wolfram Demonstrations Project is an open-code resource that uses dynamic computation to illuminate concepts in science, technology, mathematics, art, finance, and a remarkable range of other fields. Its daily-growing collection of interactive illustrations is created by Mathematica users from around the world, who participate by contributing innovative Demonstrations. Interactive computational resources have typically been scattered across the web--requiring specialized programming knowledge that's made them difficult and expensive to develop. As a result, their coverage has long been limited, and progress has been slow. In many ways, the Wolfram Demonstrations Project introduces a new paradigm for exploring ideas. The power to easily create interactive visualizations, once in the domain of computing experts alone, is now in the hands of every Mathematica user. Demonstrations can be created with just a few short lines of readable code, powered by the revolutionary advances in Mathematica. This opens the door for researchers, educators, students, and professionals at any level to create their own sophisticated mini-applications and publish them online.

What is Wolfram Alpha? It is a supercomputing brain. It provides calculates and provides comprehensive answers to most any science or math question. Unlike other search sources, you and your students can ask questions in plain language or various forms of abbreviated notation. Contrary to popular belief, Wolfram Alpha is not a search engine. Unlike popular search engines, which simply retrieve documents based on keyword searches, Wolfram computes answers based on known models of human knowledge. It provides answers which are complete with data and algorithms, representing real-world knowledge.

This September 17, Wolfram Alpha has a Virtual Learning Education Conference. I suggest that math teachers everywhere should take advantage of this free conference. They have 2 tracks - one where you learn how to use their technologies in the classroom and the other is emerging methods of using it in STEM education. All of this is online and free.

Examples of how wolfram alpha can be used in the classroom. From math to physics to research and economics, you can use this data crunching engine in very powerful ways. Another important tool for students and authentic researchers of all ages.

These popular posts include using Wolfram, LiveBinders, Twitter, Flip Cameras, and iPod touch apps in science and math.