nano in civil

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NANOTECHNOLOGY IN CIVIL ENGINEERING By Dr. Eng. / Tamer Atteya Tanta Univ. – EGYPT Facebook link

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Nanotechnology for civil engineering

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  • 1.NANOTECHNOLOGY IN CIVIL ENGINEERING
    By
    Dr. Eng. / Tamer Atteya
    Tanta Univ. EGYPT
    Facebook link

2. What Is Nanotechnology
3. What is Nanotechnology?

  • Nanotechnology is the art and science of

manipulating matter at the nanoscale

  • One nanometre (nm) is one billionth

of a metre, or one millionth of a millimetre.

  • A human hair is 80,000nm thick.

4. A red blood cell is 5,000nm in diameter. 5. A DNA molecule is 2.5nm wide. 6. 10 hydrogen atoms arranged side by side measure 1nm.