![](https://image.tmdb.org/t/p/original/tzYPG76I8jbFlu0nuQqmfJPB9v8.jpg)
![](https://image.tmdb.org/t/p/w342/7YDU977mxN8Z67RT5CfSa8mpZgk.jpg)
Magnetic Design
Host Mo Rocca shows the amazing designs of magnetic liquid; the app that can detect head injuries; the drone planting forests; and, the history of the lathe which changed machinery.
Stars:
Other episodes for this season
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