Overview
Can you move things using sound, how fast does a spring fall and how long can you hang from an airplane? These are things that this season's second contestant Pia Johansson needs to know. On hand to help are Ellen Bergström and Filip Poon.
Can you move things using sound, how fast does a spring fall and how long can you hang from an airplane? These are things that this season's second contestant Pia Johansson needs to know. On hand to help are Ellen Bergström and Filip Poon.
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