Perfume water sprayed into a burning candle. The perfume carries away some of the liquid wax in the candle. Because of the enormous heat and because its sputtered, the wax burns in midair (and on my carpet o.O) without a wick.

Recorded with an Ex-FH20 with 410 and 1000 frames per seconds, played at 24 fps.
Sorry, no higher resolution. The Exilim was expensive enough ;-) (less info)