Varia

Odds and ends, newest first.

For the technical papers, see my Google Scholar profile.


  1. This Sentence Is False Artur Ekert For Leong Chuan Kwek. Festschrift contribution, 2026 (PDF)

    Puzzles and meta-puzzles chewed over with Kwek across the years in Singapore, mostly over dinner at one hawker stall or another. Solutions provided; no peeking.

  2. The Island That Sailed Away Artur Ekert How Madagascar grew its own world. Illustrated essay for kids, 2026

    An illustrated account of an island adrift — and of the singular world that evolved once it was on its own.

  3. “You can’t cheat physics” NCCR Automation Interview, July 2025

    Why only physics-based cryptography can offer future-proof security.

  4. How Albert Einstein and John Bell inspired quantum cryptography Conversation with Hamish Johnston Physics World Weekly podcast, March 2025

    From the EPR paradox and Bell’s theorem to entanglement-based quantum key distribution.

  5. Ask me anything: “Nature doesn’t know that we divided all phenomena into physics, chemistry and biology” Physics World Physics World, March 2025

    On careers, crossing disciplinary borders, and connecting ideas.

  6. Royal Society Milner Award and Lecture 2023 Mathematical Institute, University of Oxford News, 2023

    For pioneering contributions to quantum communication and computation.

  7. Cryptoreality with Howard Burton Ideas Roadshow, 2021

    A long conversation on intuition, the history of cryptography from antiquity to today, and quantum information science.

  8. Micius Quantum Prize 2019 Centre for Quantum Technologies News, 2019

    Shared for pioneering work on quantum key distribution.

  9. Interview at the launch of Atos Quantum Atos Video, 2017

    A short interview on quantum technologies.

  10. The ultimate physical limits of privacy Artur Ekert and Renato Renner Nature 507, 443–447 (2014)

    A perspective on device-independent cryptography: privacy that can be guaranteed even with untrusted devices, given free choice.

  11. Beyond the Quantum Horizon David Deutsch and Artur Ekert Scientific American, September 2012

    An essay arguing that quantum theory expands, rather than limits, what can be known and computed; selected for The Best American Science and Nature Writing 2013.

  12. Less Reality, More Security Artur Ekert Physics World 22 (9), 28–32 (2009)

    How the violation of Bell inequalities makes cryptography secure even when the devices themselves cannot be trusted.

  13. Complex and Unpredictable Cardano Artur Ekert International Journal of Theoretical Physics 47, 2101 (2008)

    A historical essay on the Renaissance polymath whose complex numbers and games of chance underpin quantum amplitudes and probability.

  14. Cracking Codes, Part II Artur Ekert Plus Magazine, Issue 35 (2005)

    The sequel: public-key cryptography, Shor's algorithm and quantum key distribution for a general audience.

  15. Cracking Codes, Part I Artur Ekert Plus Magazine, Issue 34 (2005)

    A tour through the history of codes and code-breaking, from substitution ciphers to quantum cryptography.