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Topic: Yoctogram

	Kilogram information - Search.com
		Yoctogram: can be used for masses of nucleons, atoms and molecules.
		It is a little large for light particles, but yocto- is the last official prefix in the sequence.
		Although the unified atomic mass unit is often convenient as a unit, one may sometimes want to use yoctograms to relate easily to other SI values.
	www.search.com /reference/Kilogram (1595 words)

	Kilogram - Encyclopedia, History, Geography and Biography (Site not responding. Last check: 2007-10-11)
		Attogram: a research team at Cornell University made a detector using NEMS cantilevers with sub-attogram sensitivity.
		Yoctogram: can be used for masses of nucleons, atoms and molecules.
		Although the unified atomic mass unit is often convenient as a unit, one may sometimes want to use yoctograms to relate easily to other SI values.
	www.arikah.com /encyclopedia/Kg (1393 words)

	Scales tip with tiniest mass yet (Site not responding. Last check: 2007-10-11)
		Because the device is cooled, the molecules condense on the bar and add their mass to it, lowering its frequency and changing the voltage of the wire.
		One yoctogram is about the same as an individual hydrogen atom.
		Devices like this could be used to make early diagnoses of disease by detecting marker molecules in a drop of blood.
	noumenal.net /blogs/noumenal_more.php?id=A587_0_2_0_M (316 words)

	BBC NEWS \| Science/Nature \| Scales tip with tiniest mass yet
		Because the device is cooled, the molecules condense on the bar and add their mass to it, lowering its frequency and changing the voltage of the wire.
		One yoctogram is about the same as an individual hydrogen atom.
		Devices like this could be used to make early diagnoses of disease by detecting marker molecules in a drop of blood.
	news.bbc.co.uk /1/hi/sci/tech/4394947.stm (292 words)

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