Modern Marvels
Vacuums
TV-PG
S14 • E29 Aug 23, 2007 44m8.3
On this episode of Modern Marvels we'll see giant-sized vacuums that clean up after disasters like Hurricane Katrina and 9-11. Beneath the sea we'll meet The Super Sucker, an underwater vacuum that saves coral reefs by suctioning up invasive alien algae.
