Wed, 23 Nov 2011 14:28:12 GMT | By Duncan Jefferies
Cyborg technology


Nanobots (© Fredrik Skold/The Image Bank/Getty Images)
  • PowerBocks (© REUTERS/Marcos Brindicci)
  • Nanobots (© Fredrik Skold/The Image Bank/Getty Images)
  • Power Knee (© Össur)
  • Fujitsu Hybrid Power Generation Device (© Fujitsu)
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If you've seen the film Innerspace you'll have some inkling of how nanobots might work. These microscopic robots don't need shrink rays or Dennis Quaid though; they operate entirely independently. As they're so tiny nanobots would need to work together in swarms to keep us healthy; by keeping us in tip-top shape at the cellular level they may even be able to extend our lifespans.

Currently, the technology is only in its early stages: nanobots only a few micrometers long have been created in the lab, but researchers are a long way from developing a miniature machine that can, for example, zap cancer cells from inside our bodies.


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