The "Impossibility" of Science Fiction

This is fascinating. Anyone who has read Neal Stephenson's The Diamond Age will immediately see the similarity. In the story, there is technology that allows companies to design a form of chemical/bio-technological seed that grows into something. In the universe of the story, companies grow huge islands on the sea for human colonization, however one brilliant technologist designs a 'seed' which turns into an interactive encyclopedia for his daughter, and changes the world.

Impossible? Think again. Welcome to the world of DNA origami....