What is a hot air balloon made of and how are they made? Find out as At-Bristol Science Centre‘s Ross Exton visits Cameron Balloons, one of the world’s oldest hot air balloon manufacturers, to learn more about the materials and physics that keep these huge vehicles safely in the air.

If you happen to have a few plastic bags around, there’s an easy DIY science experiment included in the vid, too.

Related watching: Albuquerque’s Balloon Fiesta time lapsed, recreating the balloon house from Pixar’s Up, and more DIY science.

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