Main content
Bang Goes the Theory
Dr Yan shows you how to test the effectiveness of double glazing using hot water and plastic bottles.
Duration:
This clip is from
More clips from Bang Goes the Theory
-
![]()
The Standby Task Force—Series 8, Disaster Relief
Duration: 01:41
-
![]()
Leaves on the track—Series 8, Trains
Duration: 02:13
