Molecular nanotechnology (MNT) is the concept of engineering functional mechanical systems at the molecular scale.[1] An equivalent definition would be "machines at the molecular scale designed and built atom-by-atom". This is distinct from nanoscale materials. Based on Richard Feynman's vision of miniature factories using nanomachines to build complex products (including additional nanomachines), this advanced form of nanotechnology (or molecular manufacturing[2]) would make use of positionally-controlled mechanosynthesis guided by molecular machine systems. MNT would involve combining physical principles demonstrated by chemistry, other nanotechnologies, and the molecular machinery of life with the systems engineering principles found in modern macroscale factories. Its most well-known exposition is in the books of K. Eric Drexler, particularly Engines of Creation. Detailed theoretical investigation, sections 4.3 and 4.4 below, have investigated the feasibility of molecular nanotechnology, but the topic remains controversial.

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The technology of precisely- constructed molecular-scale machines; from nanometer: a billionth of a meter. For a good introduction, see What is Nanotechnology? Or Ralph C. Merkle's nanotechnology page. See also my nanotechnology page. [K. Eric Drexler, Engines of Creation, 1986]

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Thorough, inexpensive control of the structure of matter based on molecule-by-molecule control of products and by-products; the products and processes of molecular manufacturing, including molecular machinery

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The ability to construct shapes, devices, and machines with atomic precision, and to combine them into a wide range of products inexpensively.� [See Introduction to Nanotechnology]

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Refers to the concept of building complicated machines out of precisely designed molecules. To avoid confusion between this and today's nanoscale technologies, CRN generally favors the term 'molecular manufacturing'.

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Molecular Nanotechnology (MNT) is nanotechnology using "molecular manufacturing", an anticipated technology based on positionally-controlled mechanosynthesis guided by molecular machine systems. It involves combining physical principles demonstrated by chemistry, other nanotechnologies, and the molecular machinery of life with the systems engineering principles found in modern macroscale factories. Its most well-known exposition is in the books of K. Eric Drexler.

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See nanotechnology.

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Thorough, inexpensive control of the structure of matter based on molecule-by-molecule control of products and byproducts; the products and processes of molecular manufacturing, including molecular machinery.

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Thorough, inexpensive control of the structure of matter based on molecule-bymolecule control of products and byproducts; the products and processes of molecular manufacturing, including molecular machinery. [FS]

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Thorough, inexpensive control of the structure of matter based on molecule-by-molecule control of products and byproducts; the products and processes of molecular manufacturing, including molecular machinery. [FS]

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A term coined by Drexler refering to technology resulting from the ability to thoroughly and inexpensively control matter on the molecular level.

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