The Power of Piezo and Sounds in Space

11 July 2008
Presented by Dave Ansell.

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Could piezo electricity be used to supply power to the world's population? In space, can anyone hear you scream, or actually hear anything? How do dolphins direct themselves underwater? We tackle these questions and more this week on Ask the Naked Scientists! We also look into how far sound can travel, find out how the Large Hadron Collider will work and reveal how the sun manages to rise so quickly!

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