Question

Give two examples of use of nanostructures from earlier times.

Answer 1

we are surrounded by nano-materials. our own body is a perfect example of nano-structure material. every single part of the body is build up from nano structures

The DNA structure that exists within the nucleus of a cell is one such
nanostructure whose sole objective is to store and replicate information

Answer 2

Explanation:

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Nanomaterials are light and strong due to this property, they are applied in security. Examples are Damascus steel with carbon nanoparticles were present on the surface of Tipu Sultan’s sword and use of nano-lead compound for their eye makeup by ancient Egyptians.

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