• Saturday, November 17, 2018

    Home animation latest photos videos For more than a century, a metal cylinder has defined mass around the globe. Today, 60 countries voted during the 26th meeting of the General Conference on Weights and Measures to redefine the kilogram.

    For more than a century, a metal cylinder has defined mass around the globe. Today, 60 countries voted during the 26th meeting of the General Conference on Weights and Measures to redefine the kilogram.

    November 17, 2018 , ,

    https://ift.tt/2DrS8Tk via /r/u_nationalgeographic https://ift.tt/2Q6wTNq
    Read more
    on
    Labels: , ,

    No comments:

    Post a Comment

    Fashion

    Beauty

    Travel