Internet search giant Google is marking what would have been the 200th birthday of Robert Bunsen, the scientist who developed the Bunsen burner ... a flame that turns red, orange and purple ...

Every high school chemist has no doubt fiddled with a Bunsen burner—but where did the apparatus ... tube so that created a colorless, sootless flame. It was very hot. It didn't flicker, and ...

THE Bunsen burner is ... and the flame can be reduced almost to invisibility, by means of the needle-valve, without flashing back. As in the Meker burner, the combustion-head is perforated with ...