If you're interested in developing games for The Voxiebox you can sign up for our early access Developer Kit.
3D movies (on holographic cube TVs)
I've been working on this for a while now. We have something that is pretty close - a swept surface volumetric display called the Voxiebox. Here's a video of our latest prototype at the Science Alive Expo in Adelaide, South Australia: YouTube Video of the Voxiebox at Science Alive!. It's not the life size ballet that Asimov predicted, but it's pretty close.
How about Processing? Dead simple to get some impressive results quickly. It will build on your Java skills and it's easy to branch out into cool electronics projects with arduino etc. Most importantly, there's a huge community of people that are willing to help.
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"But does this mean that they have discovered a way to "plug in" a computer to a brain?"
No, well, at least not quite. To do so would require them to take a signal directly the neurons in your brain. Currently, the only way to do that at this scale is to cut open your skull and stick a whole lot of tiny electrodes in there.
What they have done is make a hardware implementation of an artificial neural network. These have been widely simulated in software, and loads of other people have done similar things. The thing that makes this project stand out is the scale - those things are tiny!
Biology grows on you.