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Essayist; writes Astral Codex Ten, previously Slate Star Codex.

• Our readingkorrents.com

  Forecasting can turn subjective regulatory judgment calls into objectively observable bets about the future.

  Their words

  Forecasting could fill this role, turning subjective judgment calls into objectively observable bets about the future.

  AI Superforecasting Should Transform The FDAastralcodexten.com

Mathematician and Senior Lecturer in the Mathematics department at Columbia University. Author of the book Not Even Wrong and of the long-running physics blog of the same name.

• Our readingkorrents.com

  Cumrun Vafa's 'dark dimension' torsion balance experiment does not amount to a genuine testable prediction of string theory.

  economists

  Their words

  This is complete nonsense, a shame that The Economist has been taken in by it.

  This Week’s Hypemath.columbia.edu

Scientist and writer on quantum computing, memory systems and metascience; co-wrote the standard quantum computation textbook and wrote Reinventing Discovery.

• Our readingkorrents.com

  Diminishing returns in science is a snapshot illusion: somebody keeps restocking the table, and new fields make progress easy again.

  Their words

  if somebody, you know, is standing behind the dessert table and is replenishing, restocking the desserts and keeps kind of you know, adding adding new ones in, it may turn out that you know, a little bit later a much better desserts appear.

  youtube.com

Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• Our readingkorrents.com

  In an agent-written codebase the agent-written tests are equally untrustworthy; manually using the product is the only reliable measure of whether it works.

  Their words

  Worse, you realize that the gazillions of unit, snapshot, and e2e tests you had your clankers write are equally untrustworthy. The only thing that's still a reliable measure of "does this work" is manually testing the product.

  Thoughts on slowing the fuck downmariozechner.at

Pen name of the Canadian-American writer behind mrmoneymustache.com, a blog on frugality, early retirement and index-fund investing that has run since 2011.

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  Personal Capital

  Their words

  Personal Capital is a financial tracking tool that I started using in mid-2013, and I still use it almost daily to get a snapshot of my "net worth", just as a fun way to remind myself to relax about money and make the most of life.

  mrmoneymustache.com

Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.

• Lovedrcmnd.app

  Working Effectively with Legacy Code

  Their words

  Legacy code has no test and is not written to be testable. Touching it this sphaghetti code somewhere breaks the system. And to refactor safely, we'd need to have tests first... but where to start? This book gives practical suggestions

  blog.pragmaticengineer.com

Co-founder of Netscape and of the venture firm Andreessen Horowitz. Argues at length for building things, mostly in short form.

• Our readingkorrents.com

  The AI-extinction position is non-scientific: it offers no testable hypothesis, nothing that would falsify it, and no threshold for danger.

  AI alignment

  Their words

  My response is that their position is non-scientific – What is the testable hypothesis? What would falsify the hypothesis? How do we know when we are getting into a danger zone?

  Why AI Will Save The Worldpmarca.substack.com