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Nanotechnology            Nanotechnology is science, engineering, and technology conducted at the nanoscale, which is about 1 to 100 nanometers. Physicist Richard Feynman, the father ofnanotechnology. In the International System of Units, the prefix "nano" means one-billionth, or 10-9; therefore one nanometer is one-billionth of a meter. It’s difficult to imagine just how small that is, so here are some examples: • A sheet of paper is about 100,000 nanometers thick • A strand of human DNA  is 2.5 nanometers in diameter • There are 25,400,000 nanometers in one inch • A human hair is approximately 80,000- 100,000 nanometers wide • A single gold atom is about a third of a nanometer in diameter • On a comparative scale, if the diameter of a marble was one nanometer, then diameter of the     नैनो टेक्नोलॉजी:             नैनो टेक्नोलॉजी नैनोस्केल पर आयोजित विज्ञान, इंजीनियरिंग और प्रौद्योगिकी है, जो लग...