The Rocket Engine the Soviets Couldn't Build

On full flow staged combustion, and what it means to build the hardest thing because it is the right thing

Jun 3 • Arvind Ravichandran

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May 2026

What does the AI climb cost?

On abstraction, legibility, and the price of expecting too much from AI

May 23 • Arvind Ravichandran

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The Better Dutch Artist

A brief and impartial verdict on the matter of Vermeer vs. van Gogh

May 15 • Arvind Ravichandran

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My Second Brain Started Keeping a Diary

On memory architecture, accumulation, and the thing I didn't expect to feel

May 10 • Arvind Ravichandran

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The Fifteen-Cent Miracle

On the physics and supply-chain engineering of a disposable lighter

May 2 • Arvind Ravichandran

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April 2026

The Lentil War

On illness, fever-dreams, and pulling the nanoscopic enemies out by hand

Apr 16 • Arvind Ravichandran

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June 2025

Computing using light not transistors

If you send a beam of light through a bit of paint, you will get a mathematical transformation of the signal you sent in - for free!

Jun 8, 2025 • Arvind Ravichandran

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Does a Dog Catching a Frisbee Understand Physics? A Journey into Understanding

I was at the park over the weekend, watching a dog chase a Frisbee with incredible precision.

Jun 2, 2025 • Arvind Ravichandran

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May 2025

Richard Feynman

The Great Explainer’s Enduring Legacy

May 25, 2025 • Arvind Ravichandran

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Climbing the Exponential

And we are off..

May 17, 2025 • Arvind Ravichandran

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Coming soon

This is Climbing the Exponential.

May 17, 2025 • Arvind Ravichandran