2014-08-28
[public] 285K views, 5.59K likes, 87.0 dislikes audio only
The days of a "fixed" kilogram seem to be numbered, with moves afoot to set our SI unites based on fundamental constants.
Reddit discussion: http://redd.it/2etf3o
Extra from this video: http://youtu.be/XvZGpKQCzzo
Standard weights: /youtube/video/yGfCp7CPx-M
Replica of the Parisian kilogram: /youtube/video/h4XIOpKWc1Y
Derek holds a kilo-ball: /youtube/video/ZMByI4s-D-Y
This video features Professor Michael Merrifield: https://twitter.com/ProfMike_M
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