Yaffle
Volunteer Moderator
Yes, for real. There's an experimental one on Friday's Dragon launch:
See here for the full article - http://nasa.tumblr.com/post/142294936624/the-five-ws-of-an-expandable-habitat-in-space

See here for the full article - http://nasa.tumblr.com/post/142294936624/the-five-ws-of-an-expandable-habitat-in-space
The Bigelow Expandable Activity Module (BEAM) is an expandable module developed by Bigelow Aerospace using a NASA patent conceptualized in the 1990s. It is made up of layers of fabric that will expand when installed and equalize with the pressure of the International Space Station.