The first time I heard about it and had it explained was when I was applying for PhDs. There was a very interesting course at Bristol University in a nanotechnology centre which combined physics and chemistry. It seemed very interesting, but was also pretty structured and a year longer, so I ended up choosing a course that would let me jump straight into research.
At Bristol, they showed me lots of different techniques they used for characterising nanomaterials, including microscopes so sensitive they were built upon a wobbling platform that wobbled to keep itself completely straight when other vibrations happened in the building. It was built underground!
When I started working on materials that were made to work by single molecules, then the term molecular machines and molecular wires, then nanotechnology became the fashionable word to cover all of these things and more!
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