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The amazing power of the world's largest vacuum

Nasa's Space Power Facility helps scientists and film makers simulate space

The Space Power Facility, near Sandusky, Ohio, was central to many of Nasa's iconic missions.

Nasa's Space Power Facility (SPF) helps to simulate the rugged conditions of space travel, and it has even featured in a superhero film.

Mega Builds is a video series from BBC Future looking at giants of engineering from around the globe.

Video script: Wouter van de Klippe