You can make an aluminum rod sing with a few items from around the house. STEP 2: Pinch the rod with the other hand at exactly the middle point and hold the rod into the air. STEP 3: Gently stroke the ...
Stroking the rod with a sticky finger and thumb, caused by the rosin, creates vibrations that travel along the length of the rod. These vibrations are transmitted to the air, creating sound waves, ...
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