Black smoke (The War of the Worlds) Black smoke (The War of the Worlds) The black smoke, or black powder, is a fictitious poisonous gas in H. G. Wells' 1898 science fiction novel "The War of the Worlds", used by the Martians to eliminate groups of humans, especially artillery crews, and conveyed by shells fired from a gun-like ""black tube"" carried by the Tripods' whip-like tentacles. Any animal inhaling this deadly smoke is killed almost instantly, but the smoke becomes harmless on contact with water. The Martians would dispel it after each use with jets of steam, leaving only a residual, "cindery" black powder, which reminds the
The War of the Worlds suggests the Martians have left behind. The novel also presents ideas related to Charles Darwin's theory of natural selection, both in specific ideas discussed by the narrator, and themes explored by the story. Wells also wrote an essay titled 'Intelligence on Mars', published in 1896 in the "Saturday Review", which sets out many of the ideas for the Martians and their planet that are used almost unchanged in "The War of the Worlds". In the essay he speculates about the nature of the Martian inhabitants and how their evolutionary progress might compare to humans. He also suggests that Mars, being