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How heavy is a cloud?
The team undertake an ambitious experiment to weigh a cloud, using sophisticated instruments but simple maths.
Duration:
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More clips from Episode 1
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Out of control
Duration: 02:17
More clips from Operation Cloud Lab: Secrets of the Skies
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Trail: Operation Cloud Lab: Secrets of the Skies
Duration: 00:35
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Out of control—Episode 1
Duration: 02:17
