The Way Things Work: Sound
Summary
The inhabitants of Mammoth Island learn how sound energy travels in waves, and one islander creates a primitive microphone, amplifier and loudspeaker. Full description
The inhabitants of Mammoth Island learn how sound energy travels in waves, and one islander creates a primitive microphone, amplifier and loudspeaker. Full description
Millimages S.A., Pearson Broadband., Schlessinger Media., France 5., Humboldt-Universität zu Berlin. Zentraler Arbeitskreis Friedensforschung., TVOntario., TFO (Firm)
English
English
Spanish
English