Cover of Volume 3, Issue 10

Volume 3 Issue 10, 1 October 2026

Quiet spins

On the cover

Spin defects hosted in a two-dimensional magnet stay quantum-coherent for more than a millisecond under ambient conditions, pointing to thin, integrable quantum sensors. See Millisecond spin coherence at room temperature in a layered magnet.

Article

Article Open access

Millisecond spin coherence at room temperature in a layered magnet

Spin defects hosted in a two-dimensional magnet stay quantum-coherent for more than a millisecond under ambient conditions, pointing to thin, integrable quantum sensors.

Sun-hee Becker, Diego Raman … Carlos Haddad

Lumen 3, 1–9 (2026)

Review Article

Review Article Open access

Active matter: from bacterial swarms to robot collectives

Systems made of self-propelled units—from cells to robots—obey shared physical principles that are only now coming into focus.

Aisha Ivanova, Leila Kim … Priya Raman

Lumen 3, 21–30 (2026)

News & Views

News & Views

Quantum sensing goes two-dimensional

Spin defects in a layered magnet stay coherent at room temperature, a step towards quantum sensors that can be built into chips.

Amara Kowalski, Yusuf Nilsson & Mei Iyer

Lumen 3, 10–11 (2026)

News

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