Singing candle

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A simplified diagram of the singing candle

A singing candle is an electro-acoustic installation. The movements of a candle flame are transformed into sound by means of a light dependent resistor (LDR). The sound waves, in return, have an influence on the flame, through an amplifier and loudspeaker, forming a feedback loop.

## See also[edit]

* Rubens tube

## References[edit]

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