Science Source General Science
EN_90286235_0223
2010-02-13
EAST NEWS
Science Source
Charles D. Winters
2s1936
1,77MB
32cm x 21cm by 300dpi
AUDIO, CHARLES, DEMONSTRATING, DEMONSTRATION, EQUIPMENT, FEMALE, FORK, FREQUENCY, FROM, PEOPLE, PERSON, PHYSICS, SCIENCE, SCIENTIFIC, SINUSOIDAL, SOUND, TUNING, VIBRATION, WAVE, WAVEFORM, WINTERS, WOMAN,