Archive - Random Walks

A Culture of Mass Pessimism Is Killing Us

Modern medicine saved my life. Now we’re abandoning the mindset that produced it

Oct 22 • Garrett Walker

The Best Disaster in History

How Panamanian Mosquitoes Ruined Scotland, Forged the UK, and Changed the World

Oct 2 • Garrett Walker

September 2026

Don’t “Pace” the Frontier. Steer It

Projections of AI catastrophe come with wide error bars. Deployment strategists should take note

Sep 19 • Garrett Walker

How Technology Breaks Law (and How It Could Today)

Emerging tech has always stretched legal institutions. In the AI era, expect more strain

Sep 3 • Garrett Walker

August 2026

Or: How a Substack was born in Greenwich Park

Aug 30 • Garrett Walker

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