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

Who Destroyed Three Mile Island?

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
210
The Building Built on Stilts
Avatar for Nickolas Means nmeans
1
550
The Original Skunk Works
Avatar for Nickolas Means nmeans
1
800
How to Crash a Plane
Avatar for Nickolas Means nmeans
1
450
How To Code Like A Writer
Avatar for Nickolas Means nmeans
3
3.4k
You Are Not An Impostor
Avatar for Nickolas Means nmeans
11
18k

Other Decks in Programming

See All in Programming
ソフトウェア設計の結合バランス #phperkaigi
Avatar for Takuma Kajikawa kajitack
0
510
Back to the roots of date
Avatar for jinroq jinroq
0
820
Road to RubyKaigi: Play Hard(ware)
Avatar for makicamel makicamel
1
570
要はバランスからの卒業 #yumemi_grow
Avatar for Takuma Kajikawa kajitack
0
160
Spec Driven Development | AI Summit Vilnius
Avatar for Daniel Sogl danielsogl
PRO
1
150
SkillsをS3 Filesに置く時のあれこれ
Avatar for watany watany
3
1.5k
AIを導入する前にやるべきこと
Avatar for Negima negima
2
350
「なんか〇〇ライブラリで脆弱性あるみたいなんだけど。。。」から始める脆弱性対応 / First Steps in Vulnerability Response
Avatar for mackey0225 mackey0225
2
120
JCON - Create Agentic AI Apps, The Easy Way!
Avatar for Kevin Dubois kdubois
1
110
Spec-Driven Development with AI Agents (Workshop, May 2026)
Avatar for Anton Arhipov antonarhipov
3
350
実践ハーネスエンジニアリング：ステアリングループを実例から読み解く / Practical Harness Engineering: Understanding Steering Loops Through Real-World Examples
Avatar for nrs nrslib
5
5.3k
運転動画を検索可能にする〜Cosmos-Embed1とDatabricks Vector Searchで〜/cosmos-embed1-databricks-vector-search
Avatar for 開発室Graph studio_graph
3
890

Featured

See All Featured
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
46
2.8k
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
Avatar for Helen Beal helenjbeal
1
180
Are puppies a ranking factor?
Avatar for Jono Alderson jonoalderson
1
3.4k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
162
16k
Building a Modern Day 
E-commerce SEO Strategy
Avatar for Aleyda Solis aleyda
45
9k
Impact Scores and Hybrid Strategies: The future of link building
Avatar for Tamara Novitovic tamaranovitovic
0
270
Design of three-dimensional binary manipulators for pick-and-place task avoiding obstacles (IECON2024)
Avatar for konakalab konakalab
0
420
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
273
27k
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
Avatar for Szymon Słowik szymonslowik
1
1.1k
GitHub's CSS Performance
Avatar for Jon Rohan jonrohan
1033
470k
The Impact of AI in SEO - AI Overviews June 2024 Edition
Avatar for Aleyda Solis aleyda
5
1.1k
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
2.9k

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