Pioneers of light and sound
SoundElectronic apparatus and appliancesJuvenile literatureDiscoveries in scienceOpticsOptical instrumentsOptics, juvenile literatureSound, juvenile literature
"Light and sound have been studied for a long time. With that knowledge, people have created such important things as telescopes, microscopes, cameras, telephones, radio, television, tape recorders, lasers, compact discs, and MP3 players"--Provided by publisher.
Writing a summary for young readers…
For young readers
Book data: Open Library