SciShow: Here's What Kevlar and Your Smartphone Have in Common

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: You might not believe it, but the same chemistry that brought us bulletproof vests and modern sailing sails also gave us the technology to build your smart phone. But that doesn’t mean these chemists were thinking about these applications when they made their breakthroughs. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Silas Emrys, Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.nauticexpo.com/boat-manufacturer/kevlar-sail-36624.html https://midbellmusic.com/products/remo-ks061400-14-black-max-kevlar-snare-drum-head https://www.ncjrs.gov/App/Publications/abstract.aspx?ID=76896 https://invention.si.edu/innovative-lives-stephanie-kwolek-and-kevlar-wonder-fiber https://invention.si.edu/node/445/p/435-discovery https://polymerdatabase.com/Fibers/Aramid.html https://www.sciencedirect.com/topics/materials-science/aramid-fiber https://digital.sciencehistory.org/works/vh53ww75r#ohDownloads https://www.dupont.com/content/dam/dupont/amer/us/en/safety/public/documents/en/Kevlar_Technical_Guide_0319.pdf https://www.vice.com/en/article/ezpvb4/this-is-what-happens-when-you-shoot-a-kevlar-vest-at-point-blank-range https://www.bodyarmornews.com/how-does-kevlar-work/ https://www.nytimes.com/1974/05/13/archives/kevlar-enters-spotlight-as-new-miracle-fiber-resistance-to-stretch.html https://web.media.mit.edu/~stefan/liquid-crystals/node3.html https://spie.org/samples/TT100.pdf https://www.youtube.com/watch?v=EFHk28WqXm8 https://ieeexplore.ieee.org/document/6487587?reload=true Image Sources: https://www.istockphoto.com/photo/smartphone-mockup-with-blank-white-screen-on-a-yellow-background-gm1257716991-368683678 https://www.istockphoto.com/photo/colorful-wavy-object-gm1198272365-342402674 https://www.istockphoto.com/photo/molecular-structure-gm174289788-24964413 https://commons.wikimedia.org/wiki/File:Stephanie_Kwolek_at_Spinning_Elements_by_Harry_Kalish.TIF (https://creativecommons.org/licenses/by-sa/3.0/deed.en) https://www.istockphoto.com/photo/clean-new-steel-rope-sling-drum-gm595100944-102021345 https://en.wikipedia.org/wiki/Aramid#/media/File:Kevlar_chemical_structure_H-bonds.svg https://www.istockphoto.com/photo/cosmetic-beauty-care-cream-gel-serum-background-gm1180254134-330582310 https://www.istockphoto.com/photo/gold-glitter-texture-background-sparkling-shiny-wrapping-paper-for-christmas-holiday-gm1180882747-330976753 https://www.istockphoto.com/photo/oil-with-air-bubbles-at-the-white-gm508342206-85211505 https://www.istockphoto.com/photo/aqua-waterscape-gm92376580-1369033 https://www.istockphoto.com/photo/texture-of-silver-carbon-fiber-gm508076943-45362792 https://commons.wikimedia.org/wiki/File:Aramid_fiber2.jpg (https://creativecommons.org/licenses/by-sa/3.0/deed.en) https://www.istockphoto.com/photo/material-of-composite-product-dark-carbon-fiber-gm1035716588-277269210 https://www.istockphoto.com/photo/three-pads-cevlar-gm1208829728-349562185 https://www.istockphoto.com/vector/flexed-bicep-glyph-icon-gm1187826990-335706466 https://www.storyblocks.com/video/stock/soccer-goal-scored-champion-success-sport-nv9pq7r https://www.istockphoto.com/photo/car-wheel-gm95757577-4521153 https://www.istockphoto.com/photo/snare-drum-on-black-background-gm619631790-108081491 https://www.istockphoto.com/photo/toy-boat-with-a-large-brown-sail-gm172402185-4759229 https://www.istockphoto.com/photo/water-line-gm646843796-117308813 https://www.istockphoto.com/photo/crystal-refractions-background-gm864426064-143347925 https://www.istockphoto.com/photo/laptop-computer-gm184084320-1747232 https://www.istockphoto.com/photo/macro-of-dots-on-a-ctr-monitor-gm1286297244-382843931 https://www.istockphoto.com/photo/mature-latin-american-businesswoman-working-from-home-gm1207315436-348543210


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