When the hell we will be able to define a kilogram?

>metrology
sorry about ur autism

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We should define the kilogram in terms of the gravitational constant, just like we used the speed of light to define the metre.

why not some huge multiple of something like the resting mass of an electron

>>8549554
A kilogram is 1000 grams.

>>8549861
proof?

>>8549554

Someone needs to destroy all the chunks of stuff we use to define the kilogram, this way those mad old tenured men in white lab coats will have to come together again to pick a new chunk of stuff as the default kilogram, or maybe decide to use something less arbitrary that can be tested anywhere.

>>8549868
Kilo means 1000, so logically a kilogram is 1000 grams.

>>8549882
what are grams

>>8549554
Probably never.

>>8549858
Good luck piling up electrons for scale calibration in any remotely useful weight range

>>8549888
weight measuring units

>>8549888
1 thousandth of a kilogram.

>>8549554
Just time 1/9,81th of a second cause things fall at 9,81 kg/s

>>8549900
>Weight measurement

I think you mean mass measurement.

>>8549554
I think we should define a gram instead.

>>8549554
depends on the action of the mole

>the defined base unit for mass is kilogram
>not gram
metric was a mistake

>>8549900
>>8549901
AUUUUUGH

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>>8549881
They're already building another one, using Avogadro's constant.

https://www.nist.gov/physical-measurement-laboratory/silicon-spheres-and-international-avogadro-project

>>8549554
1 ml of water weights 1 gram and need 1 J to rise of 1K in heat.

>>8550347
This is an approximation its not actually true

https://www.youtube.com/watch?v=ZMByI4s-D-Y

soon?
https://en.wikipedia.org/wiki/Proposed_redefinition_of_SI_base_units

>>8549554
>Well??

One mole of carbon 12 is 12 gram. Extrapolate from there.

>>8551898
>he doesn't know about pound-moles

>>8550442
this

>>8550320
This is likely not to be the primary definition of the kilogram. However, the operationalization is no longer going to be the definition, so they are going to allow for multiple "official" ways of measuring each unit. This may be one of them.

>>8552000
oops not that one, this one: >>8550674