Dashlane! 10% off with the coupon code "todayifoundout": http://www.dashlane.com/todayifoundou→→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Follow Simon on social media: https://twitter.com/SimonWhistler https://www.instagram.com/simonwhistler/ Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut: Can Shooting Plastic Explosive Really Set Them Off? https://youtu.be/46I7VTaLM6Q When Aluminium Cost More than Gold... https://youtu.be/4xsj2O_fRnc In this video: In 1793, noted French scientist Joseph Dombey departed Le Havre, France bound for Philadelphia. His mission was to meet with Thomas Jefferson and give him two of the rarest items on Earth. Unfortunately for Dombey, fate had other intentions and storms pushed the ship he was aboard well of course. Want the text version?: http://www.todayifoundout.com/index.php/2019/04/americans-still-dont-use-metric-system/ Sources: https://www.nist.gov/sites/default/files/documents/pml/wmd/metric/1136a.pdf https://www.gao.gov/assets/230/221472.pdf https://www.cia.gov/library/publications/the-world-factbook/appendix/appendix-g.html https://en.wikipedia.org/wiki/History_of_the_metric_system http://www.washingtonpost.com/wp-srv/national/longterm/space/stories/orbiter100199.htm https://en.wikipedia.org/wiki/Mendenhall_Order#Official_recognition_of_the_metric_system https://en.wikipedia.org/wiki/Metrication_in_the_United_States https://www.law.cornell.edu/constitution/articlei#section8 https://books.google.com/books?id=GXWfglKg11MC&pg=PA8&lpg=PA8&dq=1838+gallon+231+congress&source=bl&ots=82tA6DNriE&sig=XhntAr_x7bOGbZ5PaXQcOwllI0E&hl=en&sa=X&ei=NwueUOH6KYGc0QWrwYGoAg&ved=0CC8Q6AEwBA#v=onepage&q&f=false http://www.theatlantic.com/technology/archive/2015/06/whos-afraid-of-the-metric-system/395057/ http://www.slate.com/articles/news_and_politics/explainer/1999/10/w