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November 14, 2012Waves and Sound17 minutesPlayThis podcast explains sound waves, frequency, Doppler effect, pitch, decibels, and ultrasound...moreShareView all episodesBy Science DepartmentNovember 14, 2012Waves and Sound17 minutesPlayThis podcast explains sound waves, frequency, Doppler effect, pitch, decibels, and ultrasound...more
November 14, 2012Waves and Sound17 minutesPlayThis podcast explains sound waves, frequency, Doppler effect, pitch, decibels, and ultrasound...more