SciShow: Why Do Razor Blades Dull so Quickly?

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly? Hosted by: Rose Bear Don't Walk 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: 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 Southerland, 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.smithsonianmag.com/smart-news/why-razors-are-dull-within-weeks-according-science-180975534/ https://science.sciencemag.org/content/369/6504/689 https://patentimages.storage.googleapis.com/2f/be/f7/9b2f41b2511bff/US7531052.pdf https://patents.google.com/patent/US5701788A/en https://patentimages.storage.googleapis.com/f5/e5/f1/301c27fa150690/US5701788.pdf https://www.britannica.com/technology/steel https://www.britannica.com/technology/scanning-electron-microscope Image Sources: https://www.istockphoto.com/photo/man-hating-razor-gm490611056-75289363 https://www.storyblocks.com/video/stock/chef-cuts-the-red-onion-by-the-sharp-knife-on-the-wooden-board-at-the-kitchen-close-up-video-of-cooking-the-vegetable-salad-slicing-the-vegetables-bxt_7hznsjzaze5sw https://news.mit.edu/2020/why-shaving-dulls-razors-0806 https://www.istockphoto.com/photo/shaving-razor-gm587506114-100828395 https://www.istockphoto.com/photo/hairs-under-the-microscope-gm187337569-27926324 https://www.istockphoto.com/vector/hair-structure-gm1137739272-303501477


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