4 Season
102 Episode
TechKnow - Season 1 Episode 7 Back-to-School / Cow Manure (2016)
Join our expert contributors as they explore new technology, including a new kind of high-density plastic that can be inserted into students' backpacks or teachers' white boards in hopes of deflecting gunfire.
- Country : United States of America
- Genre : News
- Studio : Al Jazeera America
- Director :
- Cast : Phil Torres, Cara Santa Maria
