"To know how to suggest is the great art of teaching. To attain it we must be able to guess what will interest; we must learn to read the childish soul as if it were a piece of music. Then, by simply changing the key, we keep up the attraction and vary the song." ~ Henri Fredric Amiel
Monday, March 9, 2015
iphone 4 inside a guitar oscillation! VERY GOOD!
I love this very cool video of vibrations of a guitar strings!