SpaceWatch.Global is pleased to present the 24th episode in our podcast series The Space Cafe Podcast: Lin Kayser - $> computer, build me a spaceship [Enter] . Episode 024 features a special guest Lin Kayser. Lin Kayser is a German entrepreneur who wants to revolutionize the way we make products with his company Hyperganic. 3D printing has advanced to the point where it can really take us where we've long been in science fiction.