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Advice for life that’s literally set in stone

5 min readJul 1, 2025

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Dear Magicians,

We live in strange times. While we obsess over planned obsolescence and quarterly maintenance cycles, Roman engineers were playing the long game. Recent MIT research on Roman concrete reveals something extraordinary: they didn’t just build structures to last — they built them to heal themselves.

The breakthrough? Those white specks in Roman concrete that archaeologists dismissed as “poor mixing” for centuries were actually lime clasts — microscopic repair kits embedded throughout the material.

Think about that.

When cracks form, water triggers the recrystallization of these quicklime deposits into calcium carbonate, spontaneously sealing the damage. It’s like having a broken bone that heals itself.

This is the kind of discovery that should make us pause. How often is our sophistication merely an elaborate form of ignorance?

The “Hot Mixing” Revolution

The Romans used Quicklime directly in their concrete. Not the pre-slaked lime we’d expect. This “hot mixing” created temperatures reaching 200°C and formed those brittle lime clasts that act as repair mechanisms.

When Professor Admir Masic’s team tested this, deliberately cracked samples entirely healed within weeks.

Control samples without Quicklime?

Still cracked.

It’s almost as if the Romans had discovered a form of materials-based meditation — the concrete literally practices self-healing.

The Resilience Paradigm Shift

Here’s what the Romans understood that we’ve forgotten: true resilience isn’t about preventing failure — it’s about designing recovery into the system itself.

Modern concrete optimizes for initial strength but lacks adaptive repair mechanisms. We’ve traded long-term thinking for short-term performance metrics, such as optimizing a meditation practice for the first ten minutes while ignoring what happens over decades.

The result?

Infrastructure that degrades predictably. Roads that crack. Bridges that collapse. All require constant intervention.

Beyond Construction: Universal Principles

This ancient wisdom appears everywhere once you recognize it.

Take biological systems, for example. Bone remodeling not only maintains strength but also adapts to stress. Your immune system doesn’t just fight disease — it remembers and improves. Neural plasticity doesn’t just process information — it rewires itself based on experience.

Or consider economic markets. Nassim Taleb calls specific systems “antifragile” — they actually gain from volatility, like muscles that grow stronger from resistance training.

The pattern is clear. The most robust systems not only withstand stress but also thrive in it. They use it as a source of information for self-improvement.

The Deep Question

If 2,000-year-old Roman structures outlast modern skyscrapers, what other “primitive” technologies contain sophisticated principles we’ve overlooked? And how can I get the San Diego Department of transportation to fill a damned pothole permanently?!

The Romans didn’t have our computational models or nanoscale analysis. They had something potentially more valuable: empirical wisdom accumulated through centuries of iteration, failure, and refinement.

They were conducting a civilizational experiment in materials science. One where the feedback loop was measured in millennia rather than fiscal quarters.

This should humble us.

We live in an age where we can map the human genome but can’t figure out why our bridges collapse after fifty years.

This Week’s Challenge

Examine one system in your life — professional, personal, or intellectual.

Ask yourself: Am I optimizing for peak performance or sustainable resilience?

What would a “self-healing” version of this system look like? Like a relationship that grows stronger from conflict rather than weaker. Or a business model that thrives during economic uncertainty rather than merely surviving it.

Where am I mistaking rigidity for strength?

Sometimes, the most revolutionary insights come from looking backward with modern eyes. The Romans built for millennia because they understood something we’re still rediscovering.

The most robust systems aren’t just strong; they are also resilient.

They’re regenerative.

What would you build differently if you designed it to outlast civilizations? This isn’t merely an engineering question — it’s a philosophical one about what we value and how we think about time.

Keep cracking the concrete ceiling. And, until next time, have a M.A.G.I.C. Week,

Brian

Appearance

I’m getting worried about AI Slop! This obviously AI Generated video was recently posted with my pic on the thumbnail and some random quotes from my appearance on the Joe Rogan Experience with some AI word salad sprinkled on for flavor.

Should I be flattered or incensed?

Genius

Last week at a special tribute to Jim Simons, I got to hear the brilliant Nobel Prize winner Jennifer Doudna describe the therapeutic inventions that have sprung from her Nobel winning work on CRISPR.

I’ve invited Jennifer on The INTO THE IMPOSSIBLE Podcast. Wish me luck in landing her — it would be a true treat for me and for you too!

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I’m still reeling from my conversation with Mario Juric last week about Vera Rubin Observatory’s first light images.

Play with them here: https://skyviewer.app/tours/cosmic-treasure-chest/intro

Conversation

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Dive into a mind-bending episode as Professor David Wiltshire challenges everything you think you know about dark energy and the accelerating universe. Discover how a radical new view of cosmic time — “Timescape” — could rewrite our understanding of reality itself!

Click here to watch!

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Upcoming Episode

🚨 EPISODE 500 is HERE 🚨

Instead of listing “500 things I’ve learned” (because who has time for that?), I’m doing something better:

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👇 Drop your question below and I’ll tackle as many as I can in the live 500th episode this week.

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Professor Brian Keating
Professor Brian Keating

Written by Professor Brian Keating

Chancellor’s Distinguished Professor at UC San Diego. Host of The INTO THE IMPOSSIBLE Podcast Authored: Losing the Nobel Prize & Think like a Nobel Prize Winner