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Audience Level Rating System

Most of our content is aimed at a specialized audience--undergraduates, grad students, faculty, and professional researchers. Even within that target audience, there can be a wide range of expertise. To help you find appropriate content, we have added a skill level classifications to our resources as follows:

Graphic Representation Classification Suggested Audience
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K-12 Middle/High School Students
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Easy Freshmen/Sophomores in College
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Intermediate Juniors/Seniors in College
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Advanced Graduate Students
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Expert PhD-level Experts

These skill levels are somewhat subjective and should be taken with a grain of salt, but they are intended to help you find content at the right level for a particular purpose. Note that some tools may be marked as "easy" and intended for college freshmen, but they could still be useful to experts. In the case where resources are judged to be not only appropriate for but also appealing to multiple categories, they are marked with multiple levels.

nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.