With the technology evolving each day, is not rare to think that in a few more decades things are going to look pretty different than today; can you imagine flying cars and just rare and empty roads for people to excercise? Can you imagine having a 3D television where you don't have to see it through a screen but through holograms? you don't believe me huh? well here is a link where you can see what we have accomplished so far: http://www.youtube.com/watch?v=thOxW19vsTgBut there is no limit to our imagination, what about our houses... in the crust of the deep ocean surrounded by a clear crystal in order to be protected from the deadly sun light? or even just for saving some space in our populated earth?Just think about it.