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Nano (symbol n) is a unit prefix meaning one billionth. Used primarily with the metric system, this prefix denotes a factor of 10 −9 or 0.000 000 001. It is frequently encountered in science and electronics for prefixing units of time and length. Examples. Three gold atoms lined up are about one nanometer (nm) long.
For example, 5 km is treated as 5000 m, which allows all quantities based on the same unit to be factored together even if they have different prefixes. A prefix symbol attached to a unit symbol is included when the unit is raised to a power. For example, 1 km 2 denotes 1 km × 1 km = 10 6 m 2, not 10 3 m 2.
This glossary of nanotechnology is a list of definitions of terms and concepts relevant to nanotechnology, its sub-disciplines, and related fields. For more inclusive glossaries concerning related fields of science and technology, see Glossary of chemistry terms , Glossary of physics , Glossary of biology , and Glossary of engineering .
Standard prefixes for the metric units of measure (submultiples) Prefix name N/A deci centi milli micro nano pico femto atto zepto yocto ronto quecto; Prefix symbol d ...
The myriameter [147] (sometimes also spelled myriometer; 10,000 meters) is a deprecated unit name; the decimal metric prefix myria-[98] (sometimes also written as myrio-[148] [149] [150]) is obsolete [99] [100] [101] and was not included among the prefixes when the International System of Units was introduced in 1960.
IBM T.J. Watson Research Center [52] [53] 180 nm? GAAFET: Fujio Masuoka, Hiroshi Takato, Kazumasa Sunouchi, N. Okabe Toshiba [54] [55] [56] December 1989: 200 nm: FinFET: Digh Hisamoto, Toru Kaga, Yoshifumi Kawamoto, Eiji Takeda Hitachi Central Research Laboratory [57] [58] [59] December 1998: 17 nm: FinFET Digh Hisamoto, Chenming Hu, Tsu-Jae ...
There is also research into energy production for devices that would operate in vivo, called bio-nano generators. A bio-nano generator is a nanoscale electrochemical device, like a fuel cell or galvanic cell, but drawing power from blood glucose in a living body, much the same as how the body generates energy from food.
The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the International System of Units (SI), equal to 1 × 10 −12 m, or one trillionth ( 1 / 1 000 000 000 000 ) of a metre, which is the SI base unit of length.