The Einstein Challenge: Temporada 1, Episódio 7
1 - 7: Mechanical Engineers
Two engineers answer the big questions: Why skyscrapers don't fall down in an earthquake, and why doesn't a roller coaster fly off its tracks?
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| Hospedado por | Enviado por | |
|---|---|---|
| VidSrc | WatchSeries | 2 anos |
| streamtape | gldmediagold |