There are two ways that you can go about building a blowup space capsule. One is to construct an enclosure that self-destructs at a moment's notice to disappear any evidence of the night before. The other is to build an inflatable bounce house-like contraption. NASA has decided on the latter. Yep, the space agency has just inked a $17.8 million contract with a Las Vegas firm known as Bigelow Aerospace, which has been given the task to build an inflatable capsule that'll serve as a bonus room for astronauts aboard the Internat