Additionally, hydrogen flames are difficult to see, so may be difficult to fight.

The heat in a hydrogen flame is a radiant emission from the newly formed water molecules.

The temperature of the hydrogen flame is more than 2000 degrees Celsius.

Condensing volatiles steamed around us and boiled below, so that we settled in a soft white glow of fog lit by the hydrogen flame.

The fuel cells ruptured in balls of pale hydrogen flame which quickly involved upholstery and plastic body panels.

A curved edge of space showed, with curling hydrogen flames tracing arcs bigger than some suns.

Column eluate is burned in hydrogen flame.

He also proved that by adding white cloth to a hydrogen flame that it would change the fire's color from invisible to orange.

Moore made a gas mantle for us, and with three of these over hydrogen flames, we get some little illumination.

It is really an internal combustion engine of a sort, as the hydrogen flame which runs it burns in the water of the boiler.