[TechCrunch]

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Kno, the tablet textbook company started by Chegg co-founder Osman Rashid, is rolling out a variety of features to try to bring textbooks to life, including Facebook integration, automated quizes, an activity stream of notes. But an update to its iPad app today points to how digital textbooks can create entirely new experiences out of static notations. In the vido above, Rashid shows me Kno’s 3D modeling feature.

The 3D feature right now works only with models of molecules in chemistry textbooks. It converts the standard chemistry notations indicating how atoms are bonded together in a molecule into a spinning 3D model along the margins. These 3D models can be enlarged and rotated to give students a better visualization of how each one appears.

Of all the new features Rashid showed me, this one impressed me the most because Kno is taking the original text and making it a richer experience on the iPad. …

See the full story here: http://techcrunch.com/2011/08/22/kno-turns-textbooks-3d-video/