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How Globes Are Made - YouTube
https://www.youtube.com/watch?v=qgErv6M19yY&NR=1
The Chicago History Museum's "Mapping Chicago: The Past and the Possible" exhibition also looks at Replogle Globes, Inc., which has been turning maps into gl...
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World's Roundest Object! - YouTube
https://www.youtube.com/watch?v=ZMByI4s-D-Y
The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram. Support Veritasium on Patreon: http://bit.l...