Why can't a snuffed candle be re-ignited?

18 December 2011

Question

Smoke from a blown out candle can be re-ignited, so why wouldn’t a snuffed candle pop back into life?

Answer

Essentially, the wick just isn't hot enough to re-ignite that wax. You actually need to get the wax hotter than the wick needs to be in order to smoulder. So after it's been smothered, it just isn't hot enough to re-ignite the wax vapour.

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