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From Nordan Symposia
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[[File:lighterstill.jpg]]
==Origin==
fr. [[Latin]] from [[Greek]] ''nanos'' ‘dwarf.’
==Definition==
*1: a. denoting a [[factor]] of 10−9 (used commonly in units of measurement): nanosecond.
:b. denoting a very small item: nanoplankton.
==Description==
'''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 0.000000001. It is frequently encountered in [[science]] and [[electronics]] for prefixing units of [[time]] and length.
Examples:
:One nanometer is about the length that a fingernail grows in one second.
:Three gold atoms lined up are about one nanometer long.
:If a toy marble were scaled down to one nanometer wide, Earth would scale to about one meter (3.3 feet) wide.[1]
:One nanosecond is about the time required for light to travel 30 cm in air, or 20 cm in an optical fiber.
When used as a prefix for something other than a [[unit]] of measure (as in "nanoscience"), nano refers to [https://en.wikipedia.org/wiki/Nanotechnology nanotechnology], or on a scale of nanometres. See [https://en.wikipedia.org/wiki/Nanoscopic_scale nanoscopic scale].
[[Category: Mathematics]]
==Origin==
fr. [[Latin]] from [[Greek]] ''nanos'' ‘dwarf.’
==Definition==
*1: a. denoting a [[factor]] of 10−9 (used commonly in units of measurement): nanosecond.
:b. denoting a very small item: nanoplankton.
==Description==
'''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 0.000000001. It is frequently encountered in [[science]] and [[electronics]] for prefixing units of [[time]] and length.
Examples:
:One nanometer is about the length that a fingernail grows in one second.
:Three gold atoms lined up are about one nanometer long.
:If a toy marble were scaled down to one nanometer wide, Earth would scale to about one meter (3.3 feet) wide.[1]
:One nanosecond is about the time required for light to travel 30 cm in air, or 20 cm in an optical fiber.
When used as a prefix for something other than a [[unit]] of measure (as in "nanoscience"), nano refers to [https://en.wikipedia.org/wiki/Nanotechnology nanotechnology], or on a scale of nanometres. See [https://en.wikipedia.org/wiki/Nanoscopic_scale nanoscopic scale].
[[Category: Mathematics]]
