As revealed in an article on Gigaom, NASA has recently added an extra $500,000 into a collaboration with Tethers Unlimited, a company researching ways to 3D print and assemble structures whilst in orbit. Using this technology, their SpiderFab robots reduce the size of the rockets needed to launch materials into space, and also allow for much larger structures to be created than in any previous technique - opening up new possibilities for construction in space. You can read the full article here.
