Car Jacks, Movie Projectors, and Leatherman's
- Episode aired Apr 14, 2016
- TV-G
- 21m
How does a car jack, a movie projector, and a leatherman really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.How does a car jack, a movie projector, and a leatherman really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.How does a car jack, a movie projector, and a leatherman really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.