Bang Goes the Theory
Helium Shortage, Radiation and Airport Security (5x7)
Date de diffusion: Sept 26, 2011
Dallas investigates a potential global helium shortage, Dr Yan tests shoppers on how much they know about radiation, and Liz tries out the new airport security technology that can see beneath your clothes.
- Première: Juil 2009
- Épisodes: 64
- Abonnés: 30