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Physics & Engineering

Matter, forces, machines, and the materials they are made of.

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The day's letter, by email.

Latest issues

  1. Trapped antimatter, altermagnets

  2. A superconductor clue, a green Greenland, seahorse dads, first impressions. Then text drawn coarse to fine, the genetic code and the forgetting curve.

  3. AI's quasi-Riemann proof, Earth's leaky core, chirality and Hume