# The Space Show Presents Dr. Rahul Rao with his new book, "Nanotechnology."

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Text version: https://stenobird.com/podcast/the-space-show-by-dr-david-livingston-1065418/the-space-show-presents-dr-rahul-rao-with-his-new-book-nanotechnology.md
Podcast: [The Space Show by Dr. David Livingston](https://stenobird.com/podcast/the-space-show-by-dr-david-livingston-1065418)
Published: 2026-04-22T20:39:27+00:00
Episode link: https://doctorspace.substack.com/p/the-space-show-presents-dr-rahul
Audio file: https://api.substack.com/feed/podcast/195168336/de642d8e64a2d3f93b4ea55fb4b6aecd.mp3
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JSON: https://stenobird.com/v1/public/podcasts/the-space-show-by-dr-david-livingston-1065418/episodes/the-space-show-presents-dr-rahul-rao-with-his-new-book-nanotechnology
Duration seconds: 3701

## Resource

Quick Summary: The Space Show hosted science journalist Rahul Rao to discuss his new book on nanotechnology, focusing on applications in space and other fields. Rao explained that while humans have been using nanoscale materials for centuries, the field as we know it began developing after World War II, with significant breakthroughs in the 1980s and 1990s including the discovery of carbon nanotubes in 1991. The discussion covered both promising applications like medical nano surgery, spacecraft coatings, and environmental cleanup, as well as current challenges including material defects and scaling issues that limit practical implementation. While some applications like enhanced carbon fibers and aerospace coatings are already happening, more ambitious uses like space elevators remain in the future timeline, with widespread implementation likely in the 2030s rather than the near term. The conversation also addressed potential risks including environmental pollution from nanoparticles and weaponization concerns, though these were deemed less immediate than current technical challenges. Summary Rahul Rao, a science writer and journalist, discussed his focus on nanotechnology and space topics, highlighting the common use of nanomaterials in various scientific and engineering areas. He explained the historical development of nanotechnology, noting its origins in the post-World War II era and significant advancements in the 1980s and 1990s, including the discovery of carbon nanotubes in 1991. Rahul also addressed the current and potential future applications of nanotechnology, including the use of nanomaterials and the possibility of creating molecular-scale machines, though the boundaries of such advancements remain uncertain. David discussed his experience with the space…

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