Putting the jar over the candle keeps oxygen from outside the jar from getting in. The reaction can only use the oxygen that is already in the jar. So, when that oxygen is used up, the reaction can’t ...

This re-imagining of the humble candle comes to us by way of plasma super-fan [Jay Bowles], who has a lot of experience with plasmas and the high-voltage circuits that often go along with them.

Without this fuel, the flame will go out. The colors of a flame are caused by bits of wax ... these bits of wax molecules make those areas of the flame glow with different colors. How do candles with ...