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# Evening Brief — Monday, March 23, 2026
- URL: https://adjacent.media/work-related/evening-brief-monday-march-23-2026/
- Published: 2026-03-23T22:01:33.000Z
- Updated: 2026-04-09T18:23:52.000Z
- Description: Geopolitical tensions ease as Trump backs down from Iran threats, but the real story might be in the markets: an $87K bet on Polymarket turned into half a million dollars just before the news broke. Plus, Pentagon’s latest edge comes from 3D-printed missiles and AI-driven manufacturing. More in t...
- Author: Jonathan Greene
- Tags: #work-related, AI, Fashion, fitness, Style, technology

![Via Morningbrew Daily: ☕ Saving green](https://i0.wp.com/cdn.sanity.io/images/bl383u0v/production/65e2f7af234829dba0f11606a9a1430efab65892-1350x330.png?resize=1350%2C330&ssl=1)

Via Morningbrew Daily: ☕ Saving green

## TL;DR

Donald Trump backs down from threats to bomb Iranian civilian infrastructure amid negotiations and market turmoil, while Eddy Merckx calls Tadej Pogačar’s Milan-San Remo victory “speechless.” Morning brings new tensions as ICE agents deploy to airports while TSA works without pay due to ongoing government funding battles.

## Worth Reading

- [America’s arsenal of tomorrow: Divergent 3D-prints cruise missiles](https://www.axios.com/2026/03/23/divergent-3d-printing-missiles-pentagon?ref=adjacent.media) (Axios) — Revolutionary manufacturing that could produce hundreds of missile airframes per year at a tenth the cost
- [‘We’re not keeping up’: Why the future of war still eludes US leaders](https://www.semafor.com/article/03/23/2026/were-not-keeping-up-why-the-future-of-war-continues-to-elude-us-leaders?ref=adjacent.media) (Semafor) — Bob Work’s prescient warnings about US military preparedness are coming true in real time
- [What Polymarket knows: The rise of a new insider trading](https://qz.com/polymarket-iran-strike-insider-bet-prediction-markets?ref=adjacent.media) (Quartz) — A perfectly-timed $87K bet turned into $553K just before Iran strike news broke
- [Fitbit Data Sheds Light on Best Time to Exercise](https://nautil.us/fitbit-data-sheds-light-on-best-time-to-exercise-1279140/?ref=adjacent.media) (Nautilus) — Morning exercisers showed 31% lower coronary artery disease risk in massive 14,000-person study
- [The Fascinating History and Science Behind Backpack Textiles](https://www.carryology.com/liking/industry/the-fascinating-history-and-science-behind-backpack-textiles/?ref=adjacent.media) (Carryology) — From wartime flak jackets to moon landings, the wild origin stories of every fabric in your carry rotation

## Tech Culture

The AI race continues reshaping everything from missiles to measurement. [Divergent Technologies 3D-prints cruise missile airframes](https://www.axios.com/2026/03/23/divergent-3d-printing-missiles-pentagon?ref=adjacent.media) in Los Angeles using AI-driven systems, producing hundreds annually at a tenth the cost of legacy weapons. Their “one-factory, any-product” approach means the same printer spitting out military hardware can immediately switch to McLaren suspension components.

Meanwhile, [Elon Musk wants to build 50 times more chips than the world currently produces](https://go.theregister.com/feed/www.theregister.com/2026/03/23/musk%5Fterafab?ref=adjacent.media) through “Terafab,” planning to send most into space. Like his million-robotaxi promise, the math doesn’t add up — but the ambition signals how detached tech leaders have become from physical constraints.

[Andrej Karpathy’s “autoresearch” experiment](https://fortune.com/2026/03/17/andrej-karpathy-loop-autonomous-ai-agents-future/?ref=adjacent.media) pushes this further: AI agents running in loops, iterating and evaluating training code to optimize models without human intervention. It’s the logical endpoint of the automation obsession — machines training machines while we watch from the sidelines.

## Sports & Fitness

[Tadej Pogačar’s Milan-San Remo victory](https://road.cc/news/cycling-live-blog-23-march-2026?ref=adjacent.media) left cycling legend Eddy Merckx “speechless,” declaring the Slovenian “has no limits.” The win continues Pogačar’s monument-collecting spree and establishes him as the clear successor to cycling’s golden generation.

Women’s Milan-San Remo showed [what this race can become](https://escapecollective.com/what-we-learned-from-the-2026-womens-milan-san-remo/?ref=adjacent.media) as Lotte Kopecky powered to victory. Unlike last year’s sprint finish, we saw genuine attacks on the Cipressa — at least seven moves that shaped the finale. The race is still defining itself, but the blueprint for both sprint finishes and breakaway victories now exists.

New fitness research using [14,000 Fitbit users reveals morning exercise](https://nautil.us/fitbit-data-sheds-light-on-best-time-to-exercise-1279140/?ref=adjacent.media) correlates with significantly lower cardiovascular disease risk. Morning exercisers showed 31% lower coronary artery disease risk and 18% lower blood pressure rates — not because dawn workouts are magic, but because consistent morning schedules indicate disciplined lifestyle habits.

## AI & Machine Learning

The prediction market insider trading story gets weirder: someone placed an [perfectly-timed $87,000 Polymarket bet](https://qz.com/polymarket-iran-strike-insider-bet-prediction-markets?ref=adjacent.media) that turned into $553,000 just before Iran strike news broke. This raises uncomfortable questions about information flows in an era where AI can process signals faster than humans.

[Samsung’s Galaxy S26 now supports Apple AirDrop](https://www.cnet.com/tech/mobile/samsungs-galaxy-s26-phones-will-work-with-apples-airdrop-much-like-the-pixel-10/?ref=adjacent.media) natively through Quick Share, following Google’s lead with Pixel devices. The walls between ecosystems continue crumbling as interoperability becomes a competitive advantage rather than a moat to defend.

## Photography

[Valery Poshtarov’s portraits of fathers and sons](https://www.itsnicethat.com/articles/valery-poshtarov-father-and-son-photography-project-230326?ref=adjacent.media) holding hands explores “what remains unsaid between men.” Unlike most portrait photographers who prioritize comfort, this Sofia-based artist deliberately seeks vulnerability and tension in his subjects.

[Fstoppers argues against “enjoy the process” advice](https://fstoppers.com/education/why-enjoy-process-actually-terrible-advice-and-what-instead-901046?ref=adjacent.media), pointing out that gear matters less than whether making photos actually means something to you. The piece cuts through Instagram wisdom to ask harder questions about artistic motivation and purpose.

## Fashion & Style

British retailers are [pushing the UK government](https://www.businessoffashion.com/news/retail/retailers-push-uk-to-join-us-and-eu-ending-shein-parcel-loophole/?ref=adjacent.media) to close the tax loophole that’s helped Shein and Temu capture market share. The US and EU have already moved to end these advantages — the UK remains the holdout enabling ultra-fast fashion’s unfair competitive edge.

[Deciem plans to relaunch The Chemistry Brand](https://www.businessoffashion.com/news/beauty/deciem-the-chemistry-brand-relaunch/?ref=adjacent.media), the Estée Lauder-owned company’s original beauty line. This signals renewed focus on brand incubation rather than just scaling The Ordinary’s minimalist success.

## Culture

Writing in *The Marginalian*, Maria Popova explores [Olivia Laing’s journey along the River Ouse](https://www.themarginalian.org/2026/03/22/olivia-laing-to-the-river/?ref=adjacent.media) — the same waters that claimed Virginia Woolf. Laing’s 42-mile walk becomes meditation on grief, memory, and how rivers hold both destruction and renewal.

The corporate BS problem gets scientific validation: [Cornell research confirms](https://go.theregister.com/feed/www.theregister.com/2026/03/23/corporate%5Fbs%5Fopinion/?ref=adjacent.media) what we’ve always suspected about meaningless business speak. Your instinctive revulsion to jargon-heavy presentations isn’t cynicism — it’s pattern recognition.

*Letters from an American* examines [Trump’s increasingly erratic behavior](https://heathercoxrichardson.substack.com/p/march-22-2026), including his bizarre Pearl Harbor comment to Japan’s Prime Minister. The president appears trapped by his own Iran war rhetoric, unable to find an exit that doesn’t look like defeat.

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