Ep 131 Mini Failure 45 Therac-25

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the Artemis Project. It’s not really about a failure, but as our last mini failure before our hiatus, we wanted to talk about an engineering project we thought was interesting. The artemis project is aiming to put people back on the moon. Original Air Date: August 20, 2023 Episode Sources https://www.nasa.gov/specials/artemis/ https://en.wikipedia.org/wiki/Artemis_program Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the Titan Submersible. A relatively small carbon fibre vessel that imploded on its way to the Titanic. Original Air Date: August 6, 2023 Episode Sources https://en.wikipedia.org/wiki/Titan_(submersible) https://en.wikipedia.org/wiki/Titan_submersible_implosion Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the 1955 LeMans Crash. It was the most catastrophic crash in motorsport history, which led to Mercedes-Benz to withdraw from motor racing until 1989. Original Air Date: July 23, 2023 Episode Sources https://en.wikipedia.org/wiki/1955_Le_Mans_disaster https://www.gq-magazine.co.uk/lifestyle/article/le-mans-1955-disaster Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the Vasa Ship which sank 1.3km into its maiden voyage. Original Air Date: July 9, 2023 Episode Sources https://en.wikipedia.org/wiki/Vasa_(ship) Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the Therac-25. A radiation therapy machine that was supposed to help people causes radiation overdoses at least 100x the limit. Original Air Date: June 25, 2023 Episode Sources https://en.wikipedia.org/wiki/Therac-25 Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the hydrogen embrittlement failure of the Bay Bridge between San Francisco and Oakland. Almost 100 rods were at risk of failure, after a construction delay and lack of protection subjected the rods to standing water and weakened them to the point that a third failed. Original Air Date: June 11, 2023 Episode Sources https://en.wikipedia.org/wiki/San_Francisco%E2%80%93Oakland_Bay_Bridge https://en.wikipedia.org/wiki/Yerba_Buena_Tunnel https://www.corrosionpedia.com/a-failure-analysis-of-hydrogen-embrittlement-in-bridge-fasteners/2/6877 https://en.wikipedia.org/wiki/Hydrogen_embrittlement https://en.wikipedia.org/wiki/Cosco_Busan_oil_spill https://www.structuremag.org/?p=11041 Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the hydrogen embrittlement failure at the Cheesegrater building in London, UK. 3,000 very large bolts making up the exoskeleton of the cheesegrater were significantly weakened by the introduction of hydrogen during manufacturing. Original Air Date: May 28, 2023 Episode Sources https://en.wikipedia.org/wiki/122_Leadenhall_Street https://www.twi-global.com/technical-knowledge/faqs/what-is-hydrogen-embrittlement#:~:text=Hydrogen%20Embrittlement%20occurs%20when%20metals,the%20microstructure%20of%20the%20material. https://www.theguardian.com/business/2015/jan/14/cheesegrater-leadenhall-building-bolt-city-london#:~:text=Tests%20conducted%20by%20the%20contractor,to%20suffer%20from%20technical%20problems. https://constructionmanagement.co.uk/all-you-ne2ed-know-ab4out-chee5segrater-bolts/ Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about Alexander Kielland Flotel. In 1980 the floating hotel (flotel) capsized, killing 123 people on board. This led to enhanced safety regulations for the deployment of lifeboats from platforms and vessels. Original Air Date: May 14, 2023 Episode Sources https://www.lifeinnorway.net/alexander-l-kielland-disaster/ https://en.wikipedia.org/wiki/Alexander_L._Kielland_(platform) https://en.wikipedia.org/wiki/Welding_defect#Lamellar_tearing Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the Eigiau and Coedty Dam Failures. A pause in construction led to a catastrophic dam failure and a wall of water into the town downstream. Original Air Date: April 30, 2023 Episode Sources https://en.wikipedia.org/wiki/Coedty_Reservoir https://www.theregister.com/2021/06/11/the_eigiau_dam_disaster/ Ways to get in touch with us Email - [email protected] Website - www.failurology.ca

We’re releasing episodes from our mini failure library while we’re on production hiatus. This week’s Mini Failure is about the DMC DeLorean.  A car that would have likely been forgotten if Marty McFly and Doc Brown didn’t turn it into a time machine for Back To The Future.  Ahead of its time in looks, but well behind its time in reliability, sales, and a marketing plan. Original Air Date: April 16, 2023 Episode Sources https://www.theverge.com/2022/5/30/23147339/delorean-alpha-5-first-look-gull-winged-ev-revival https://en.wikipedia.org/wiki/DMC_DeLorean https://www.hotcars.com/why-dmc-delorean-project-flopped/ https://www.theverge.com/2022/5/30/23147339/delorean-alpha-5-first-look-gull-winged-ev-revival Ways to get in touch with us Email - [email protected] Website - www.failurology.ca