Culture & entertainment
Gongs feature a raised central boss to alter vibrations
HERE’S THE INTERESTING PART
A flat disc of bronze will just crash aggressively like a cymbal. By hammering a protruding dome, or 'boss,' directly into the center of the gong, the acoustic properties change wildly. Striking this dome focuses the chaotic vibrations into a distinct, measurable pitch, turning a massive sheet of metal into a tuned melodic instrument.
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