Outer-Space Electron-Beam Fab

*It's a 3-D metal-forge fabricator, and they want to put it in the International Space Station to build busted parts of the International Space Station, on the spot. Given that the ISS is slowly coming apart and heading for the depths of the Pacific in five years, fabbing a space station inside a space station might be an aw3some solution.

*Nifty high-tech touch: the thing works in a vacuum.

*Of course, there is the extreme difficulty of all those ISS patent agreements, which we detailed...