From the Back Cover
(back cover) The Explosion Zone
and the Science of
What the scientists say: You can make a simple telephone using metal cans and a piece of string. Sound can be sent by light signals in fiber optic cables The cone shape of a bullhorn or megaphone stops sound waves spreading out too quickly and makes them travel further. Cell phones transmit your calls by radio waves
TITLES IN THIS SERIES:
Bell and the Science of the Telephone Curie and the Science of Radioactivity Faraday and the Science of Electricity The Wright Brothers and the Science of Flight
About the Author
Brian Williams has taught in both primary and secondary schools. He worked as Editor of Children's Britannica and is now a full-time writer. David Antram studied at Eastbourne College of Art and then worked in advertising for 15 years before becoming a full-time artist.
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