Beard-second

The beard-second is a unit of length created as teaching exercise inspired by the light year, but for nuclear physics instead of astronomy.[citation needed] The beard-second is defined as the length an average beard grows in a second, or about 5 nanometers[1].

The beard-second is less popular than the Ångström (10-10 m). In physics it is also common to use the SI units, usually with the nano prefix; 1 nm = 10-9 m.

Deze log is gepost op vrijdag 20 februari 2009 @ 00:39 door Merino onder de categorie Educatief, Lezenswaardig. Reactie kunnen gevolgd worden via de RSS 2.0 feed. Reageren en pingen momenterl niet mogelijk.