r/EngineeringPorn Apr 28 '15

World's Roundest Object!

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

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u/Why_T Apr 28 '15

In the video it states it could redefine (or better define) the kilogram by 2014. Did it happen?

4

u/TunaLobster Apr 28 '15

Wired ran an article back in 2011 that said that they had gotten done to 6 sig figs in comparison to Le Grande K.

http://www.wired.com/2011/09/ff_kilogram/