[LEAPSECS] Time-of-day

[Tony Finch]

On Mon, 7 Mar 2011, Poul-Henning Kamp wrote:

>

> Significant expenditures and very interesting research is going on,

> in order to similarly liberate the kilogram from the unreliable

> lump of metal currently encapsulating it.


And VERY SHINY research too:

http://www.ptb.de/en/aktuelles/archiv/presseinfos/pi2011/pitext/pi110127.html
http://www.acpo.csiro.au/avogadro.htm
http://www.csiro.au/science/ps35k.html

Though they'll need more than one lab in Australia to be able to make very
round things before it can be a properly reproducible standard.

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
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