We started with an interesting request from a faculty member who, in teaching a large lecture course, projects PowerPoint onto two lateral displays, and uses the large central (vertically stackable) blackboards to draw equations. Important aspects of the teaching style include (a) using PowerPoint to present central ideas, and (b) drawing on the blackboard to linearize the presentation of complex equations, derivations, etc. The blackboard method is important, since he can cover up to 6 separate boards with information, and refer back to previous boards and relate this “live” information to that currently displayed in PowerPoint.
The instructor suffered a shoulder injury that made writing on the blackboard increasingly painful and impractical. He asked us to investigate some solutions that would let him retain the “blackboard experience” while letting him write in a more comfortable posture. We explored several technologies…. Read more Digital Ink in the Classroom