Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Who Destroyed Three Mile Island?

Sponsored · SiteGround - Reliable hosting with speed, security, and support you can count on. →
Avatar for Nickolas Means Nickolas Means
April 17, 2018
Programming
1.1k
0

Who Destroyed Three Mile Island?

(as presented at RailsConf 2018)

Avatar for Nickolas Means

Nickolas Means

April 17, 2018

More Decks by Nickolas Means

See All by Nickolas Means
The Magnitude 9.1 Meltdown at Fukushima
Avatar for Nickolas Means nmeans
0
140
Taking the 737 to the MAX!
Avatar for Nickolas Means nmeans
0
130
The Original Skunk Works
Avatar for Nickolas Means nmeans
0
1.9k
Warning: May Be Habit Forming
Avatar for Nickolas Means nmeans
1
220
The Building Built on Stilts
Avatar for Nickolas Means nmeans
1
550
The Original Skunk Works
Avatar for Nickolas Means nmeans
1
810
How to Crash a Plane
Avatar for Nickolas Means nmeans
1
450
How To Code Like A Writer
Avatar for Nickolas Means nmeans
3
3.5k
You Are Not An Impostor
Avatar for Nickolas Means nmeans
11
18k

Other Decks in Programming

See All in Programming
Vue × Nuxt × Oxc どこまで使える？実運用の現在地
Avatar for ANDPAD inc andpad
0
300
A2UI という光を覗いてみる
Avatar for SatohJohn satohjohn
1
150
Semantic Version 単位で戦略を柔軟に変えて、パッケージアップデートを自動化する
Avatar for daitasu daitasu
1
300
Javaの型とAI時代に型が大事な理由 / java types and type in AI era
Avatar for Naoki Kishida kishida
2
150
Even G2とAWSで推しのエージェントを召喚しよう！
Avatar for Har1101 har1101
1
120
Language Server 使ってる？ 〜VSCode と Zed の場合〜 / Are you using a Language Server? ~For VS Code and Zed~
Avatar for NAGATA Hiroaki handlename
0
800
IBM Bobを活用したレガシーアプリの最新化
Avatar for Akira Onishi (IBM) oniak3ibm
PRO
1
210
ローカルLLMを使ってB2Bサービスを作っていての学び
Avatar for Hiroshige Umino yaotti
0
210
PHPで使える日時の表現と、その知り方 #frontend_phpcon_do
Avatar for hideki kinjyo o0h
PRO
0
260
Webフレームワークの ベンチマークについて
Avatar for Yusuke Wada yusukebe
0
180
Go1.27で導入されるジェネリクスメソッドでできること
Avatar for mackee mackee
0
170
New "Type" system on PicoRuby
Avatar for pocke pocke
1
1k

Featured

See All Featured
Writing Fast Ruby
Avatar for Erik Berlin sferik
630
63k
Digital Ethics as a Driver of Design Innovation
Avatar for Per Axbom axbom
PRO
1
330
What does AI have to do with Human Rights?
Avatar for Per Axbom axbom
PRO
1
2.2k
Measuring Dark Social's Impact On Conversion and Attribution
Avatar for Stephen Akadiri stephenakadiri
2
220
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
25
2k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
Avatar for Christian Goodrich cargoodrich
3
740
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
21
1.5k
Navigating Algorithm Shifts & AI Overviews - #SMXNext
Avatar for Aleyda Solis aleyda
1
1.3k
The AI Revolution Will Not Be Monopolized: How open-source beats economies of scale, even for LLMs
Avatar for Ines Montani inesmontani
PRO
3
3.5k
Music & Morning Musume
Avatar for Bryan Veloso bryan
47
7.2k
The MySQL Ecosystem @ GitHub 2015
Avatar for Sam Lambert samlambert
251
13k
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1370
210k

Transcript

  1. Who Destroyed Nickolas Means @nmeans

  2. Who Destroyed Nickolas Means @nmeans

  3. @nmeans

  4. @nmeans • #WhoDestroyedTMI @nmeans

  5. @nmeans

  6. @nmeans

  7. @nmeans

  8. @nmeans

  9. @nmeans

  10. @nmeans

  11. @nmeans

  12. @nmeans

  13. Three Mile Island Nuclear Generating Station Londonderry Township, Pennsylvania @nmeans

  14. Three Mile Island Harrisburg, Pennsylvania @nmeans • #WhoDestroyedTMI @nmeans TMI

    Unit 2 906 MWe Babcock and Wilcox PWR

  15. @nmeans Bill Zewe Fred Schiemann Ed Frederick Craig Faust

  16. Condensate Polishers @nmeans

  17. Three Mile Island Unit 2 @nmeans

  18. Three Mile Island Unit 2 @nmeans

  19. Three Mile Island Unit 2 @nmeans

  20. Three Mile Island Unit 2 @nmeans

  21. Three Mile Island Unit 2 @nmeans

  22. Three Mile Island Unit 2 @nmeans ❌

  23. Three Mile Island Unit 2 @nmeans ❌

  24. Three Mile Island Unit 2 @nmeans ❌

  25. @nmeans TMI Unit 2 Control Room

  26. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  27. Pressurizer @nmeans Connection to Primary Cooling Loop Heating Element Water

    Spray 1. Regulates System Pressure 2. Measures Water Level 3. Absorbs Pressure Shocks

  28. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  29. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  30. Three Mile Island Unit 2 @nmeans

  31. Three Mile Island Unit 2 @nmeans

  32. @nmeans

  33. Three Mile Island Unit 2 @nmeans

  34. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  35. @nmeans

  36. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  37. @nmeans

  38. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  39. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  40. Three Mile Island Unit 2 @nmeans

  41. @nmeans

  42. Three Mile Island Unit 2 @nmeans ❌ ❌

  43. @nmeans

  44. Fuel Rod Assembly @nmeans

  45. Gary Miller George Kunder @nmeans

  46. Three Mile Island Unit 2 @nmeans ❌

  47. Three Mile Island Unit 2 @nmeans ❌ ❌ ❌

  48. @nmeans

  49. @nmeans

  50. @nmeans

  51. Final Core State @nmeans

  52. @nmeans

  53. Three Mile Island Today @nmeans

  54. @nmeans

  55. @nmeans

  56. @nmeans Hindsight Bias

  57. @nmeans Outcome Bias

  58. @nmeans

  59. Three Mile Island Unit 2 @nmeans

  60. Three Mile Island Unit 2 @nmeans

  61. Pressurizer @nmeans Connection to Primary Cooling Loop Heating Element Water

    Spray 1. Maintains System Pressure 2. Measures Water Level 3. Absorbs Pressure Shocks

  62. @nmeans

  63. Heat at 100% 12 MWth 2,841 MWth Heat at Shutdown

    (6.5%) 0.78 MWth 185 MWth @nmeans

  64. Three Mile Island Unit 2 @nmeans

  65. Three Mile Island Unit 2 Three Mile Island Unit 2

    @nmeans

  66. @nmeans

  67. Three Mile Island Unit 2 @nmeans • #WhoDestroyedTMI Three Mile

    Island Unit 2 @nmeans

  68. @nmeans

  69. @nmeans

  70. @nmeans

  71. @nmeans

  72. @nmeans Human error is never the cause.

  73. @nmeans Ask what is responsible, not who.

  74. @nmeans Understand why it made sense.

  75. @nmeans Seek forward accountability, not backward.

  76. @nmeans Always look for the second story.

  77. Who Destroyed Nickolas Means @nmeans

  78. Who What Destroyed Nickolas Means @nmeans

  79. @nmeans

  80. @nmeans

  81. Who What Destroyed Nickolas Means @nmeans