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Open invitation to software developers

Our Common Online Data Analysis Platform (CODAP) offers easy-to-use web-based software that makes it possible for students in grades 6 through college to visualize, analyze, and ultimately learn from data. Whether the source of data is a game, a map, an experiment, or a simulation, CODAP provides an immersive, exploratory experience with dynamically linked data […]

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Safari Javascript bug

Recently we found that our Lab framework caused the JavascriptCore of Safari 5.1 to crash. Safari 5.1 is the latest version available for OS X 10.6. If you have OS X 10.7 or 10.8, then you have Safari 6 which doesn’t have this problem. Too long; didn’t read solution: do not name your getters the […]

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A Datasheet for NextGen MW

The opposite of Thomas Dolby I was terrible at the first four weeks of organic chemistry. I just couldn’t get the right pictures into my head. The depictions of the chemical reaction mechanisms I was supposed to memorize seemed like just so many Cs (and Hs and Os and, alarmingly, Fs) laid out randomly as […]

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Accessing Sensor Data from Java

For years we have been using several layers of Java, Java Native Interface, and native driver code to support common access to sensors from multiple Probeware interfaces from different vendors. We’ve been calling these layers the org-concord-sensor framework. Our Java/OTrunk framework which has supported many kinds of interactive educational activities uses the org-concord-sensor framework to […]

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