cold and difficult to breathe. t cost $1.4 billion to build the taken scopes here, and it took the united states and japan. they got something special. tracked down alma's kindly head mechanic, fabiola to get a better understanding of how this, two? >> when you are in santiago and you go out to dinner with somebody, how do you explain to them how the telescope works? >> with an optic telescope, you look in the sky, and that is what you see. with alma, whatever you don't see with your eyes, and whatever is black, which is a lot, you see with alma. ashley: she sees in the illimeter range of the electromagnetic spectrum.