NASA Plum Brook vacuum chamber in Sandusky is the largest in the world, despite what NASA folks in Texas claim, Cleveland.com “The vacuum chamber at Plum Brook, called the Space Power Facility, measures 863,000 cubic feet. To get an idea of its vastness, check out the opening minutes of “The Avengers” movie, filmed inside the chamber. The one at Johnson, called Chamber A, is 400,000 cubic feet.” NASA Invites Media […]