The term picotechnology has two related meanings, both involving the manipulation of matter on a length scale less than one nanometer. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International
In nanotechnology, picotechnology is a term used by some researchers to refer to the fabrication of structures where atoms and devices are positioned with sub-nanometer accuracy. Nanotechnology, sometimes shortened to nanotech, refers to a field of Applied science whose theme is the control of matter on an Atomic and Molecular This is important where interaction with a single atom or molecule is desired, as the strength of the interaction between two atoms (for example, an atom in a probe tip and an atom in a sample being studied) varies exponentially with separation distance, and is sensitive to changes in position on the order of 50 to 100 pm. History See also Atomic theory, Atomism The concept that matter is composed of discrete units and cannot be divided into arbitrarily tiny In Chemistry, a molecule is defined as a sufficiently stable electrically neutral group of at least two Atoms in a definite arrangement held together by The exponential function is a function in Mathematics. The application of this function to a value x is written as exp( x) A picometre ( American spelling: picometer, symbol pm) is a unit of Length in the Metric system, equal to one trillionth
In future studies, picotechnology is a term used by some futurists to refer to structuring of matter on a true picometer scale. Futures Studies, Foresight, or Futurology is the science art and practice of postulating possible probable and preferable futures and the worldviews A picometre ( American spelling: picometer, symbol pm) is a unit of Length in the Metric system, equal to one trillionth This typically is described as involving the alteration of the structure and chemical properties of individual atoms, typically through the manipulation of energy states of electrons within an atom to produce metastable (or otherwise stabilized) states with unusual properties. Manipulation of Rydberg atoms can be considered a form of picotechnology of this type, though the term is arguably a misnomer in this case, as the size of a Rydberg atom is far larger than even a nanometer. A Rydberg atom is an excited atom with one or more Electrons that have a very high Principal quantum number.
See also
References
- Weinacht, T. Femtotechnology is a term used by some futurists to refer to structuring of matter on a Femto[[meter]] scale by analogy with Nanotechnology and Picotechnology C. , Ahn, J. , and Bucksbaum, P. H. (22 June 1998) Measurement of the Amplitude and Phase of a Sculpted Rydberg Wave Packet. Physical Review Letters pp. 5508-5511 v. 80 no. 25
External links
- Picotechnology at the Nanosciences group at CEMES, France. This article is about the country For a topic outline on this subject see List of basic France topics.
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