Things can go wrong in scientific experiments sometimes, but when it comes to engineering, getting things wrong can be disastrous. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Jeremy Peng, Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Saul, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: dftba.com/scishow ---------- 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: Tay Bridge: taybridgedisaster.co.uk goo.gl/QYQaOe goo.gl/0Mn8fN goo.gl/B8jTeI www.technologystudent.com/struct1/taybrd2.htm www.icevirtuallibrary.com/doi/pdf/10.1680/imotp.1923.14462 www.victorianweb.org/technology/bridges/52.html goo.gl/Pu7uFG goo.gl/ZlGH6f Quebec Bridge: goo.gl/m77NM7 goo.gl/pz1CDS goo.gl/hnlDRD goo.gl/kRii8L goo.gl/y7kWCG goo.gl/CtQ5D9 www.researchgate.net/figure/258387027_fig1_Figure-1-Quebec-Bridge-collapsed-for-the-2nd-time-on-September-11-1916 Tacoma Narrows Bridge: www.wsdot.wa.gov/TNBhistory/spanning_time.htm#1940 goo.gl/3wLmZi www.wsdot.wa.gov/TNBhistory/Machine/machine3.htm www.youtube.com/watch?v=6ai2QFxStxo motherboard.vice.com/read/the-myth-of-galloping-gertie www.ketchum.org/billah/Billah-Scanlan.pdf arxiv.org/pdf/1109.6640.pdf www.math.harvard.edu/archive/21b_fall_03/tacoma/ www.lib.washington.edu/specialcollections/collections/exhibits/tnb www.lib.washington.edu/specialcollections/collections/exhibits/tnb/collapse www.aapt.org/Store/upload/tacoma_narrows2.pdf aapt.scitation.org/doi/full/10.1119/1.2201854 goo.gl/Pf1Qno www.nycroads.com/crossings/bronx-whitestone/ Hyatt Regency: fire.nist.gov/bfrlpubs/build82/art002.html fire.nist.gov/bfrlpubs/build82/PDF/b82002.pdf goo.gl/awaOvV goo.gl/lZGTH5 skywalk.kansascity.com/articles/20-years-later-many-are-continuing-learn-skywalk-collapse/ books.google.com/books?id=pp3OIzJFB5QC&pg=PA115#v=onepage&q&f=false www.thinkreliability.com/case_studies/root-cause-analysis-of-the-hyatt-regency-disaster-cautionary-tale-about-assumptions/ Citicorp Tower: www.slate.com/blogs/the_eye/2014/04/17/the_citicorp_tower_design_flaw_that_could_have_wiped_out_the_skyscraper.html www.theaiatrust.com/whitepapers/ethics/study.php www.newyorker.com/magazine/1995/05/29/the-fifty-nine-story-crisis people.duke.edu/~hpgavin/cee421/citicorp1.htm Millennium Bridge: www.ingenia.org.uk/Ingenia/Articles/123 www.sciencedaily.com/releases/2005/11/051103080801.htm static.squarespace.com/static/5436e695e4b07f1e91b30155/t/54486c1de4b0d7fec2714db8/1414032413730/crowd-synchrony-on-the-millennium-bridge.pdf www2.eng.cam.ac.uk/~den/ICSV9_04.htm www.taylordevices.com/papers/damper/damper.pdf Images: commons.wikimedia.org/wiki/File%3ATay_Bridge_from_north.jpg commons.wikimedia.org/wiki/File%3ACatastrophe_du_pont_sur_le_Tay_-_1879_-_Illustration.jpg commons.wikimedia.org/wiki/File%3ATay_bridge_down.JPG commons.wikimedia.org/wiki/File%3AFallen_girders%2C_Tay_Bridge.jpg commons.wikimedia.org/wiki/File%3AQuebec_Bridge_final_span.jpg commons.wikimedia.org/wiki/File%3AQuebec_Bridge_Construction_1917.JPG commons.wikimedia.org/wiki/File%3APont_de_Quebec_1907.jpg commons.wikimedia.org/wiki/File:Bridges_21.png goo.gl/IOlt2k goo.gl/q3fZTs goo.gl/ZFgMsf Tacoma Narrows Bridge destruction.ogg goo.gl/TWm1b5 goo.gl/kBb0vh goo.gl/GPZWVH commons.wikimedia.org/wiki/File%3AHyatt_Regency_collapse_floor_view.PNG commons.wikimedia.org/wiki/File%3AHyatt_Regency_collapse_end_view.PNG commons.wikimedia.org/wiki/File%3AHyatt_Regency_collapse_support.PNG commons.wikimedia.org/wiki/File%3ACitigroup_center_from_ground.jpg commons.wikimedia.org/wiki/File:CitigroupCenterNight.jpg commons.wikimedia.org/wiki/File%3ALondon_Millenium_Bridge.jpg goo.gl/oHWnqW commons.wikimedia.org/wiki/File%3ASt_pauls_london.JPG goo.gl/JQr5vm goo.gl/H5xXav

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