Eliezer Yudkowsky, Eneasz Brodski; ty to JK Rowling

Harry Potter and the Methods of Rationality

Society EN ↓ 523 episodes

This is an alternate universe story, where Petunia married a scientist. Harry enters the wizarding world armed with Enlightenment ideals and the experimental spirit. Updated every Wednesday morning.

Be sure to visit the podcast's website and support the creator: hpmorpodcast.com

Author

Eliezer Yudkowsky, Eneasz Brodski; ty to JK Rowling

Category

Society

Podcast website

hpmorpodcast.com

Latest episode

Oct 9, 2026

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Episodes

19b – Delayed Gratification, part 2 08.09.2011

Learning to lose   Original Text  

19a – Delayed Gratification, part 1 01.09.2011

Quirrell reveals some of his past history   Original Text  

18b – Dominance Hierarchies, part 2 25.08.2011

Potter vs Snape: Round 2. FIGHT!! (tagteam with Dumbledore!)   Original Text  

18a – Dominance Hierarchies, part 1 18.08.2011

Potter vs Snape: Round 1. FIGHT!   Original Text    

17b – Locating the Hypothesis, part 2 11.08.2011

Called to Dumbledore’s office to receive is his father’s rock   Original Text    

17a – Locating the Hypothesis, part 1 04.08.2011

Because if YOU had a Time Turner, YOU’d use it to factor in polynomial time too   Original Text  

16 – Lateral Thinking 28.07.2011

Minions; lessons in violence; and the most dangerous student in the classroom   Original Text    

15 – Conscientiousness 21.07.2011

Charms and Transfiguration classes; Hermione challenges Harry to a competition.   David Brin’s blog post in which the podcast gets a shout-out:  http://davidbrin.blogspot.com/2011/07/transparency-wars-continue-some-untold.html Original Text SFX: White Board  

14 – The Unknown and the Unknowable 14.07.2011

Quest loot! & seeing oneself from the outside can be illuminating   Original Text      

No New Episode This Week 07.07.2011

With apologies, the podcast is taking a week off for the Independence Day holiday. We will return to regular weekly episodes next week.  

13 – Asking The Wrong Questions 30.06.2011

The Confrontation, The Apology, and The Game   Original Text    

12 – Impulse Control 23.06.2011

Changing the distant past is easy if you get started early enough.   Original Text  

10 – Self-Awareness, Part 2 16.06.2011

Harry is Sorted.   Original Text  

9 – Self-Awareness, Part 1 08.06.2011

The Musical Episode   Original Text  

8 – Positive Bias 02.06.2011

The origin of the All-Powerful Snap. Also introducing Hermione and Neville.   Original Text  

7b – Reciprocation, part 2 26.05.2011

Harry explains Science. Original Text

7a – Reciprocation, part 1 19.05.2011

Harry meets Ron, and discovers Lucius Malfoy’s one weakness.   Original Text  

6b – The Planning Fallacy, part 2 11.05.2011

Harry’s dark side is (briefly) revealed.   Original Text

6a – The Planning Fallacy, part 1 04.05.2011

Harry prefers the term “World Optimization”   Original Text

4 & 5 – The Efficient Market Hypothesis & The Fundamental Attribution Error 27.04.2011

Harry discovers he’s rich, and meets Draco Malfoy.   Original Text

2 & 3 – Everything I Believe Is False & Comparing Reality to Its Alternatives 20.04.2011

McGonagall overturns 3000 years of physics, and Harry learns about You-Know-Who.   Original Text

1 – A Day of Very Low Probabilty 11.04.2011

Harry receives a letter from the Hogwarts School of Witchcraft and Wizardry, and sends a reply.   Original Text

Welcome to HPMoR: The Podcast 08.04.2011

This is an alternate universe story, where Petunia married a scientist. Harry enters the wizarding world armed with Enlightenment ideals and the experimental spirit. Now complete. Chapter 1 is below, everything else can be found at the Table of Contents . If you would like to get a taste of rationalist fiction in shorter forms, the Other Audio page has a number of smaller works available. I also c...

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