Machines: How They Work
Safes, Tennis Ball Launchers, and Music Boxes (1x4)
Air date: Feb 11, 2016
How does a safe, a tennis ball launcher, and a music box really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.
- Premiered: Jan 2015
- Episodes: 20
- Followers: 2
- Ended
- Science Channel
- Thursday