If you’ve watch American football on television, you may have wondered how they make that yellow first down line look like it’s actually down on the field.
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We're conducting a survey of our viewers! If you have time, please give us feedback:
Hosted by: Olivia Gordon
----------
Support SciShow by becoming a patron on Patreon:
----------
Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz
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Looking for SciShow elsewhere on the internet?
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Tumblr:
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Sources:
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