A computer is an incredibly powerful means of creative expression, but for the most part, that expression is confined to the screens of our laptops and mobile phones. And I’d like to tell you a story about bringing this power of the computer to move things around and interact with us off of the screen and into the physical world in which we live.

And when you think about it, this makes a lot of sense, that using specialized physical objects would help people use an interface more easily. I mean, our hands and our minds are optimized to think about and interact with tangible objects. Think about which you find easier to use, a physical keyboard or an onscreen keyboard like on a phone?

https://www.ted.com/talks/james_patten_the_best_computer_interface_maybe_your_hands