Perhaps you are familiar with Wolfram|Alpha, a search engine from the developers of Mathematica that specializes in answering quantitative queries. Recently it has become possible to turn queries into widgets that can be inserted into web pages, wikis, and blogs. I have been experimenting with building widgets that can be useful to students of physical chemistry. Below is an example of a widget I constructed: you can change the parameters, click submit, and the results (in Mathematica format) appear in a lightbox window.
Do you use Alpha widgets in your courses? If so, what have you learned from the experience?
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