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4 facts tagged with Candle Facts
Before clocks, there were candle clocks that when burned, indicated the passage of periods of time. To set an alarm, you pushed a nail into the desired point and the nail would fall and clank on the metal holder.
There's a regenerative candle that creates a new candle as it melts.
In zero gravity, a candle's flame is round and blue.
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.