Steampunk most recognizably features anachronistic technologies or retro futuristic inventions as people in the 19th century might have envisioned them, and is likewise rooted in the era’s perspective on fashion, culture, architectural style, and art. Such technology may include fictional machines like those found in the works of H. G. Wells and Jules Verne, or of the modern authors Philip Pullman, Scott Westerfeld, Stephen Hunt, and China Miéville. Other examples of steampunk contain alternative-history-style presentations of such technology as steam cannons, lighter-than-air airships, analogue computers, or such digital mechanical computers as Charles Babbage’s Analytical Engine.
Steampunk may also incorporate additional elements from the genres of fantasy, horror, historical fiction, alternate history, or other branches of speculative fiction, making it often a hybrid genre. The first known appearance of the term steampunk was in 1987, though it now retroactively refers to many works of fiction created as far back as the 1950s or 1960s. Wikipedia
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