PITTSBURGH (KDKA) -- Candles are neat, calming to some and full of science. They are made of wax and a wick which seems pretty simple. Once you light the candle, the wick burns. As the wick burns, it ...

A: A candle wick holds a flame because it isn’t just a string that burns. Its main purpose is to deliver fuel to the part of it that’s very hot. When you light the wick, the heat quickly melts the wax ...

However, the differing requirements for flow resistance and capillary force make designing the pore structure of the capillary wick within an LHP challenging. Specifically, larger pores are needed for ...

The plume visible after extinguishing a candle flame is a stream of unburned fuel particles rather than smoke. It is powered by the residual heat of the wick. This can be tested by collecting the ...