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You can learn more at https://curiositystream.com/smart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓Uploaded 05-03-19You may have heard that a kilogram of feathers weighs the same as a kilogram of steel, but that all depends on where you weigh them. This video is all about the difference between mass and weight, and how weirdly awesome Earth’s gravity really is. REFERENCES:https://en.wikipedia.org/wiki/Mass_versus_weighthttp://curious.astro.cornell.edu/about-us/42-our-solar-system/the-earth/gravity/94-does-your-weight-change-between-the-poles-and-the-equator-intermediate https://en.wikipedia.org/wiki/Equatorial_bulgehttp://www.cleonis.nl/physics/phys256/equatorial_bulge.phphttps://en.wikipedia.org/wiki/Geoidhttps://gracefo.jpl.nasa.gov/http://www2.csr.utexas.edu/grace/publications/fact_sheet/4.html-----------FOLLOW US:Twitter: @DrJoeHanson @okaytobesmart Instagram: @DrJoeHanson @okaytobesmartMerch: https://store.dftba.com/collections/its-okay-to-be-smartFacebook: http://www.facebook.com/itsokaytobesmart BOOKS WE’VE FEATURED:http://smart-books.tumblr.com/ -----------It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.Director: Joe NicolosiResearcher: Matt Caplan, Ph.D. Creative Director: David SchulteEditors/animators: Derek BorsheimExecutive Producer: Amanda FoxProducer: Stephanie NooneProduced by PBS Digital StudiosMusic via APMStock images from Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
