the cylinders, a process that needs no oxygen >> when you look over there, you can see it start to melt. >> reporter: their research is funded in part by nasa, because they will get the aluminum to melt inn space b by sending ther equipment into space. some companies are already scrambling to use that alumiminm as a fufuel l forr sattelites, t fab calls it gas stations in space. otothers, likeke astroscacale, e testing ways to collect dead sattelelites. recycled debebris couldld mean building what's needed for space in space. even makaking the strtructures o colonizeze the moon and build spaceships to mars. >> if you're going to have humans on the moon, you have oxygen. you saw the rocks get, get it from there. water, they can use for drinking, they can split into hydrogen and oxygen. if you need to build anything use the dust and the rocks that are there. >> reporter: back in that colorado garage, gary calnan has the kind of boldness that has