Re: materials ?!
ACTUALLY... as 3D printers that are able to get more and more precise are becoming more and more mainstream, that's not entirely unreasonable. Currently the technology isn't readily available to be able to print on a molecular level consistently, but as the technology is refined and becomes more available for studies of new ways to adapt it and make it more exact, it's entirely possible to be able to create designer medications. Imagine medication that was based on your specific DNA and physiology - side effects would be a thing of the past because each formula would be tailored to you specifically, and would be able to account for your unique body chemistry. If you could create a formula molecule by molecule, why couldn't you take 2 molecules of hydrogen and 1 molecule of oxygen and bond them to create water? We've been 3D mapping chemicals for years now. At this point, it's just a matter of being able to build on that small of a scale.