Last week at Tinker.it!, we installed the “Centograph” at St. Paul’s School for Boys (London). This project is a real-life histogram, that moves its bars according to data values retrieved from Google. When you enter a search term into the computer, Centograph queries the Google News Archive for a list of related news articles over the past 100 years. The archive returns a timeline of articles sorted according to date. The bars on the graph then change height to display a histogram of the relative number of news articles for each decade. Details and video are on the Tinker.it! website.

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