impulse post: cool! .. (EDITED: another cool thing!)

interesting: $\LaTeX$ is now available on the iPad, as Texpad.

ok .. but do they have a plug-in for a stylus? (-:

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also, i just learned about leap motion off of a technologyreview link.

imagine using one of these things to teach .. provided that:

1. the motion detection covers an entire blackboard,
2. chalk script scales accordingly to a laptop screen,
3. there were some way to "shift up" something you already "wrote" and use the newly available space to write more.

it could also work really well for long-distance collaboration, too ..