Small gas molecules are retained in their interiors by carbon nanotubes. These small gas molecules are selectively captured by the carbon nanotubes; this is possible due to their small size. The matter can be controlled on a nanometer scale, as a molecule can be absorbed inside another molecule. You can read about Nanotechnology in India – Origins, Uses, Developments in the given link.
- Science & Technology Notes For UPSC – General Science Notes
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