Each book in this series follows a packet of energy along a journey. Each stage
of the journey is described in a short chapter, and we learn what alternative
paths the energy might have taken along the way. This book shows how the energy
in wind is turned into a music download. It explains the science behind sound,
how it can be measured, recorded and stored, what happens in a recording studio,
and how our ears hear sound. The topics covered are illustrated with
experiments, amazing facts and scientific discoveries.