What is sound?

Emily Dodd loves science and wildlife. She is the author of picture books and non-fiction science books, a screenwriter for CBeebies, a singer-songwriter and a BBC radio playwright. Emily travels widely, taking her interactive science events to schools, libraries and festivals. Her books for children include DKFindOut! Energy (DK, 2018), the Tell Me About series (Templar) and That Was Genius (Wide Eyed Editions, 2026).Christian Gralingen was born in Essen, Germany and now lives and works as an Art Director and Illustrator, as well as teaching Illustration and Communication Design, in Berlin. His client list includes design agencies, publishing houses, magazines, academic institutions and foundations. His aesthetics have many influences but are particularly inspired by the imagery of scientific publications, construction plans and technical drawings.