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Nanotechnology: The Passive, Active and Hybrid Sides—Gauging the Investment Landscape from the Technology Perspective
Volume 4, Issue 3

James M. Tour, Rice University

While investors are often proficient in assessing the business aspects of their technology investments, the technology horizon assessment is illusive. In this article, Professor James Tour describes a methodology to categorize different nanotechnologies into one of three types: passive, active, or hybrid nanotechnologies. The three technology types each have a characteristic timeline for expected product delivery and, in this manner, the science or engineering layperson can make the technology horizon evaluation. Examples of each of the three technology types are provided from our own laboratory using carbon nanotube rubber composites, nanocars, and silicon-molecule devices, respectively.

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