SERF

SERF

A spin exchange relaxation-free magnetometer is a type of magnetometer developed at Princeton University in the early 2000s. SERF magnetometers measure magnetic fields by using lasers to detect the interaction between alkali metal atoms in a vapor and the magnetic field.

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serf

Noun

  1. A partially free peasant of a low hereditary class, slavishly attached to the land owned by a feudal lord and required to perform labour, enjoying minimal legal or customary rights.
  2. A similar agricultural labourer in 18th and 19th century Europe.
  3. A worker unit.


The above text is a snippet from Wiktionary: serf
and as such is available under the Creative Commons Attribution/Share-Alike License.

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