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The term popular culture can be tricky to define because, although most people know what they mean when they use it, it is also a large and ambiguous term, one that can have many meanings and describe many objects or relationships. Like the term nature, its use is frequently dependent on its context (human “nature” may or may not be the same as the “nature” we find in our backyards). One workable definition might be that popular culture encompasses any kind of “text” that impacts mainstream forms of communication. Texts do not just mean books, however; the term can also refer to popular magazines, films, television shows, modes of expression, and even clothing styles or automobile design. These texts can perform many functions—they can communicate meanings, bond groups together in communities, ask probing questions, and provide entertainment, to name a few. One scholar studying depictions of nanotechnology in popular culture, then, might examine the way nanotechnology is portrayed in films, television shows, and popular science magazines. Other scholars could study how environmental or industry groups talk about nanotechnology on their Websites, or how a clothing company advertises (or conceals) the use of nanotechnology on its tags and labels. Most scholars make claims about nanotechnology and popular culture on the basis of such examinations.

Why Popular Culture Matters

Like other emerging or controversial science fields such as biotechnology or nuclear energy, nanotechnology is not always well understood by the public. What this means is that public perceptions of nanotechnology may be shaped, at least in part, by popular culture's depictions of it. We know that people get their information about science from a number of sources. How this information is used is often shaped not just by people's ability to understand science, but also by their relationship to their media sources. It can also be influenced by their discussions about that information with trusted friends or colleagues, and by their “mental models,” or the way they imagine, picture, and process that information.

We can assume that popular culture's representations of nanotechnology are important in shaping public perceptions of nanotechnology. But it is difficult to say how important they are. Popular culture doesn't emerge from a vacuum, nor are people blank canvases, soaking up whatever popular culture tells them. People usually have preconceived ideas about science and technology, drawn from a number of sources and experiences, which may be reinforced by popular culture texts. But we can't claim that popular culture has the power to wholly shape public perceptions of a particular technology. At the same time, if people do not have access to other information about nanotechnology, popular culture may step in to partially fill that void, and not always in ways that are accurate.

Surveying popular culture for representations of nanotechnology can be daunting, methodologically. Nanotechnology is not always defined as such in popular culture texts, or may be inaccurately described or represented. Popular novels such as Michael Crichton's Prey clearly identify the technology and are centered around it, but films and television shows may only briefly refer to nanomachines, nanoprobes, nanochips, or other permutations, without giving more information. In these cases, “nano” most often connotes technologies that are small, dangerous, invisible, and intrusive.

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