SciShow
Big Idea: Gunpowder (2013x11)
Ausstrahlung: Jan 24, 2013
Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.
- Premiere: Jan 2012
- Episoden: 3763
- Anhänger: 2