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Moving in the other direction of Virtual Reality, this inventor has come up with a machine or 'robot' that actually renders digital designs/artifacts into solid, 3-dimensional objects. Surprisingly the machine is pretty cheap and is sold as a kit that the user has to build on his own before turning a photoshop image of his long lost dog Booger into a 4x4x6 hard plastic idol to wear around neck. I jest, but from a 'learning from the whole' perspective, the entire process could be really engaging and educational.

I think it is interesting because it is related to our online discussion about artificial intelligence. Can machines and computers be as smart as humans and read language?

CMU working on an AI that is curious about language.

The idea of "showing what you know" and earning badges instead of degrees? In this economic downswing, could something like this become the new emergent way of learning and of assessing? Thoughts?

Sounds like the digital badge is more lke a digital portfolio- which I would more likely support. I find it interesting that our education system (which strives and struggles to provide consistent, high quality education from coast to coast) is seen as deficient but this badge proposal will be the answer? It's like the flood of support for home-schooling after a home-schooler wins a national competition but no one knows about the tens of homescholers I had to remediate in rural NH. Standardization is the key for any system to be integrated into another system. The variety of education models we have in our country makes it difficult for employers to integrate employees. If this digital badge concept relies on a variety of models, they will have the same problem.

The prospect of digital badges to show what you know is both exciting with its potential affordances and worrisome with some of its limitations and ambiguity. It'd be great if the ideal came to pass that digital badges would allow valid demonstration of super-specific skills and knowledge over a greater range of fields and topics than what having a B.A. or B.S. currently does. Digital badges could represent the most particular concepts or skills at a granular level even-- those that are essential in the real-world (whether that be desired by employers or otherwise). If the task or test or challenge, or whatever else would be the means of assessment for earning a badge, was carefully designed and evaluated to be a truly valid measure of proficiency, then earning a badge for something would be a clear indication that you know something. But like Allison said, standardization would be key. What would these assessments/ badge challenges be- so that they would be truly valid indicators of proficiency? Who would be the purveyors or authorities to determine the assessments or challenges to accomplish a badge? Given the medium (completing badge assessments on one's own computer or mobile device - from any site they're at potentially) - what's to stop a user from going "open book" or "opening another tab" in order to look up answers to questions or tutorials on how to do a task, in order to complete the assessment? Doing this would allow a user to ace the assessment and earn the badge- but would defeat any value of the badge in truly demonstrating knowledge or skill. By imagining if digital badges did reach mass-acceptance and use in the real world, and we were to ultimately find them all over the internet like we're now finding social media widgets, it made me realize that the "prove proficiency anywhere I am in any way I want" won't work. I changed fields and career paths from what I studied in college, so I definitely appreciate the value in being able to truly show e

http://www.ted.com At TEDIndia, Pranav Mistry demos several tools that help the physical world interact with the world of data -- including a deep look at his SixthSense device and a new, paradigm-shifting paper "laptop." In an onstage Q&A, Mistry says he'll open-source the software behind SixthSense, to open its possibilities to all.

Hi there Hongge, thanks for sharing this amazing video. He's managed to bridge certain key technologies and made them more intuitive for the daily user. It's great that he's made it open-source too! Maybe we could pay a visit to MIT to check it out? I wonder though, whether such a device would in the future not only project thoughts and programs but also capture user data and begin to 'suggest' or advertise certain things to you. Scary but the potential is enormous. Again, thanks!

Thanks, Matthew. That video was actually filmed three years ago (yes, even before iPhone 4) and I wonder if Pranav is still at MIT Media Lab. Maybe Karen knows more about him and could make an introduction for us? Machine learning and personalizing content for us is already happening. Personally, I like the idea of personalized content simply because nowadays we can be so easily info-overloaded. It is quite normal for CEOs and political leaders to digest pre-screened/selected info by their secretaries and/or advisers, right? And Google has been doing this for advertising to consumers. I don't mind the right ads appear at the right time when I need the product or service. What really strikes me about Pranav's idea is that it reminds me about the movie Inception, where you can transplant an idea into someone's mind and the distinction between reality and the virtual world is so blurry.

A look at what was an emerging technology over 50 years ago. It's interesting (not necessarily in a good way) that he's talking about things like immediate feedback and learning at your own pace - things that still haven't penetrated deep enough into the practice of education.

AI?