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2. Colored fire - Wikipedia

   en.wikipedia.org/wiki/Colored_fire

   Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam. When additional chemicals are added to the fuel burning, their atomic emission spectra can affect the frequencies of visible light radiation emitted - in other words, the flame appears in a different color ...

3. Early thermal weapons - Wikipedia

   en.wikipedia.org/wiki/Early_thermal_weapons

   The Siege and Destruction of Jerusalem by the Romans Under the Command of Titus, A.D. 70, by David Roberts (1850), shows the city burning. Early thermal weapons, which used heat or burning action to destroy or damage enemy personnel, fortifications or territories, were employed in warfare during the classical and medieval periods (approximately the 8th century BC until the mid-16th century AD).

4. Sofono Spacemaster - Wikipedia

   en.wikipedia.org/wiki/Sofono_Spacemaster

   The heater is mounted on slim triangular chrome-plated legs, and has white handles to either side made from stay-cool compression-moulded urea-formaldehyde plastic. [3] The internal components can be easily accessed by the removal of the four set-screws underneath the handles, after which the top grille and back panel simply lift off.

5. Pyrotechnic colorant - Wikipedia

   en.wikipedia.org/wiki/Pyrotechnic_colorant

   The red lithium flame leads to lithium's use in flares and pyrotechnics Copper compounds glow green or blue-green in a flame. Calcium compounds glow orange in a flame. Sodium compounds glow yellow in a flame. A pyrotechnic colorant is a chemical compound which causes a flame to burn with a particular color.

6. Primus stove - Wikipedia

   en.wikipedia.org/wiki/Primus_stove

   As the flame dies down, a further gentle pump will either ignite the main burner or dispense more kerosene into the spirit cup. Prior to the introduction of the Primus, kerosene stoves were constructed in the same manner as oil lamps , which use a wick to draw fuel from the tank to the burner and which produce a great deal of soot due to ...

7. Blue lava - Wikipedia

   en.wikipedia.org/wiki/Blue_lava

   "Blue lava" is an electric-blue fire that burns when sulfur combusts, producing a neon-blue flame. Sulfur burns when it comes into contact with hot air at temperatures above 360 °C (680 °F), which produces the energetic flames. [2] Actual lava is red-orange in color, given its temperature.