Standard Weight (feat. Vsauce) - Periodic Table of Videos

2011-11-17

[public] 524K views, 11.4K likes, 97.0 dislikes audio only

Some amazing artifacts - original standard weights for the pound and troy pound. The troy pound is made from pure platinum!

A correction.. The silicon isotope used is 28, not 29 as stated in the video! Sorry!

The Professor is joined at the Royal Society by none other than Michael from Vsauce - http://www.youtube.com/user/vsauce

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With thanks to the Royal Society: http://royalsociety.org/