YouTube Description: The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram.
posted by Zifnab 1 decade 1 year 9 months 2 weeks ago • 2,553 views • 11:44HOST: History of Science and Technology
Created: 1 decade 6 years 2 months 2 weeks ago
Updated: 5 years 6 months 2 weeks ago
Views: 12,543
Updated: 5 years 6 months 2 weeks ago
Views: 12,543
This playlist is meant to include videos that follow the human understanding of the nature of things and the world through history.