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S5E7: Helium Shortage, Radiation and Airport Security
Bang Goes the Theory
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Bang Goes the Theory S5E7: Helium Shortage, Radiation and Airport Security

  • Aired: 2011-09-26
  • Time: 19:30:00
  • Runtime: 30 minutes
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Overview

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.

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