Why's a Meter a Meter?

submitted by Huzzaz on 02/07/17 1

Meter is the standard unit of length used by most countries around the world. But how did they define it? Hosted by: Hank Green Want more SciShow in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to www.nerdconnerdfighteria.com/ ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.nist.gov/sites/default/files/documents/pml/div683/museum-timeline.pdf www.surveyhistory.org/the_standard_meter1.htm physics.nist.gov/cuu/Units/meter.html www.npl.co.uk/educate-explore/factsheets/history-of-length-measurement/ www.nist.gov/sites/default/files/documents/pml/div684/fcdc/sp330-2.pdf www.us-metric.org/origin-of-the-metric-system/ nature.berkeley.edu/classes/eps2/wisc/pt.html Image Sources: commons.wikimedia.org/wiki/File:Kilometre_definition.svg commons.wikimedia.org/wiki/File:Platinum-Iridium_meter_bar.jpg

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