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46 Episodio
Why Is It So? - Season 1 Episode 15 Episodio 15
With a great many tools before him, Professor Miller sets out to prove that all tools and machines are linked to the two simplest: the lever and the inclined plane.
- Año: 2012
- País: Australia
- Género:
- Estudio: PBS
- Palabra clave:
- Director:
- Emitir: Julius Sumner Miller