BEAUTIFULCHEMISTRY.NET / SCIENCE PHOTO LIBRARY BEAUTIFULCHEMISTRY.NET / SCIENCE PHOTO LIBRARY
Candle flame leaving soot on a white surface. The orange candle flame is produced by light emitted from hot incandescent soot particles, formed due to the incomplete combustion of the candle's wax fuel. When the soot particles cool they appear as a black smoke, which leaves an evident residue on surfaces.
Model release not required. Property release not required.