2 Sezon
32 Episod
None of the Above - Season 1 Episode 19 Episodul 19 (2015)
Tim tests the safety of various gases for use in a blimp and employs a flame-boyant piece of equipment to help us see sound. An illuminating use for liquid nitrogen offers up a Holly-wood style finale.
- Țară : United Kingdom
- Gen : Reality
- Studio : National Geographic
- Director :
- Distribuție :
