Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- 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.us-metric.org/commonly-used-metric-system-units-symbols-and-prefixes/ www.mathsisfun.com/measure/metric-units-details.html Fahrenheit: www.notablebiographies.com/Du-Fi/Fahrenheit-Gabriel.html www.encyclopedia.com/people/history/historians-miscellaneous-biographies/daniel-gabriel-fahrenheit www.jstor.org/stable/301713 books.google.com/books?id=qJdXre60T0kC&pg=PA162&lpg=PA162#v=onepage&q&f=false Watt: www.britannica.com/biography/James-Watt www.egr.msu.edu/~lira/supp/steam/ www.animatedengines.com/newcomen.html collection.sciencemuseum.org.uk/objects/co50948/rotative-steam-engine-by-boulton-and-watt-1788-beam-engines www.biodiversitylibrary.org/item/95237#page/90/mode/1up Ampere: www.britannica.com/biography/Andre-Marie-Ampere www.nist.gov/si-redefinition/ampere-history www.famousscientists.org/andre-marie-ampere/ www.indiebound.org/book/9781616149420 www.sizes.com/units/ampHist.htm Hertz: www.famousscientists.org/heinrich-hertz/ www.famousscientists.org/how-hertz-discovered-radio-waves/ www.physics.usyd.edu.au/teach_res/hsp/u7/t7_hertz.pdf [PDF] www.iec.ch/about/history/overview/ Celsius: www.famousscientists.org/anders-celsius/ www.astro.uu.se/history/celsius_scale.html www.youtube.com/watch?v=rjht4oAByCI www.thoughtco.com/difference-between-celsius-and-centigrade-609226 www.bipm.org/en/committees/cipm/cipm-1948.html Images: commons.wikimedia.org/wiki/File:Fahrenheit_small.jpg www.istockphoto.com/photo/quicksilver-gm93292637-10878220 www.istockphoto.com/photo/mercury-gm182930158-14144178 en.wikipedia.org/wiki/File:Daniel_Gabriel_Fahrenheit,_place_of_burial.jpg en.wikipedia.org/wiki/File:James-watt-1736-1819-engineer-inventor-of-the-stea.jpg en.wikipedia.org/wiki/File:James_Eckford_Lauder_-_James_Watt_and_the_Steam_Engine-_the_Dawn_of_the_Nineteenth_Century_-_Google_Art_Project.jpg en.wikipedia.org/wiki/File:SteamEngine_Boulton%26Watt_1784.png en.wikipedia.org/wiki/File:20070616_Dampfmaschine.jpg en.wikipedia.org/wiki/File:Amperemeter_hg.jpg en.wikipedia.org/wiki/File:Ampere_Andre_1825.jpg commons.wikimedia.org/wiki/File:Andre-marie-ampere2.jpg en.wikipedia.org/wiki/File:Heinrich_Rudolf_Hertz.jpg www.videoblocks.com/video/tuning-the-old-radio-adhpzvf en.wikipedia.org/wiki/File:Headshot_of_Anders_Celsius.jpg commons.wikimedia.org/wiki/File:UppsalaCelsiusObservatory_Busser.jpg

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