On 10/13/09 11:45, Darren New wrote:
> Neeum Zawan wrote:
>> Who said you have to do it at 4 Celsius? Its density varies with
>> temperature, not its mass.
>
> You have to measure the volume of the water at a specific temperature to
> know you have a liter. Then you can later measure it at other
> temperatures, and the change in mass from being hotter will probably be
> insignificant for quite some time in the future. :-)

	I think Warp was talking about the solid object that is now the 
standard, not the liquid.

-- 
Ground yourself, THEN hug your motherboard!

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