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Watch Bang Goes the Theory - Season 4 Episode 5 Online!:

Jem Stansfield explains lasers on the 50th anniversary of their invention, Dallas takes part in a Citizen Science experiment and Dr. Yan calculates the speed of light.

Release Date: 2009-07-27
Seasons: 1 2 3 4 5 6 7 8
TMDb: 7.8/10
  • Country: GB
  • Language: English
  • Runtime: 30

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