Modern Marvels

Vacuums (14x29)

Data di messa in onda: Ago 23, 2007

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.