Youtube Knowledge

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Mind blowing video on the history, problems, and future of the kilogram.

And also the words roundest object.

— 1 year ago with 3 notes
#Youtube  #Knowledge  #Veritasium  #Kilogram  #Definition  #Change 
  1. cynicalyak reblogged this from youtubeknowledge and added:
    Great Youtube Channel.
  2. youtubeknowledge posted this