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Canal Letter

Xcimer just turned on the largest privately owned laser in the world — and the real story isn't the kilojoules, it's who gets to own the supply curve for fusion energy

Fusion startup Xcimer Energy has activated Phoenix, a krypton-fluoride excimer laser system the company describes as the largest privately owned laser in the world.

  1. Oxford Quantum Circuits just raised Europe's largest-ever quantum round at £260M — and the customer list reveals who is really underwriting the entire sector
  2. Nobody talks about why supply-chain attackers started hiding command servers inside Google Calendar events and Solana memo fields — and the Glassworm takedown finally explains it
  3. A Google engineer allegedly turned the company's confidential search data into $1.2M on Polymarket — and the case quietly exposes the attack surface every prediction market is pretending not to see
All in Canal Letter →

Mind

Field Notes

People who spend their Sunday rebuilding their task system instead of doing the tasks aren't procrastinating, many are trying to feel in control of a week they secretly believe will overwhelm them

The Sunday system rebuild looks like preparation, but it functions like a sedative — and the difference matters more than most productivity advice will admit.

  1. The person who maintains a Notion second brain, a Todoist GTD setup, and a calendar blocked to the quarter hour isn't more productive, many are trying to externalize a mind that learned, somewhere along the way, that forgetting anything was a kind of failure
  2. The people who seem unbothered by criticism aren’t the ones who stopped caring what others think—they’re the ones who moved the evaluation internally
  3. When Microsoft's Japan branch gave all 2,300 staff five Fridays off in a row on full pay in the summer of 2019 — while capping meetings at 30 minutes — it recorded a 40 per cent jump in productivity per employee, alongside sharp falls in electricity used and paper printed.
All in Field Notes →

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Undercurrent

Where three streams meet. Each Sunday, one synthesis of the week’s technology, politics, and mind coverage — plus the wider innovation reading we found worth your time.

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