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Physics World

Why quantum technology is driving quantum fundamentals

Hamish Johnston

Published Nov 1, 2025• 0 citations
Publisher

Abstract

Quantum physics is full of scientific and philosophical mysteries, the answers to which could well emerge from the field’s commercial applications. Elise Crull (a philosopher), Artur Ekert (an academic) and Stephanie Simmons (an industrialist) examine the complex interplay between applications and fundamentals in conversation with Hamish Johnston.

DOI
10.1088/2058-7058/38/10/21

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Quantum physics is full of scientific and philosophical mysteries, the answers to which could well emerge from the field’s commercial applications. Elise Crull (a philosopher), Artur Ekert (an academic) and Stephanie Simmons (an industrialist) examine the complex interplay between applications and fundamentals in conversation with Hamish Johnston.
Physics Scratches a Philosopher's Itch Philosopher Elise Crull muses over interpretations of quantum physics, focusing on experiments that cast doubt on our classical notions of causality.By Michael Schirber W hich came first, the chicken or the egg?Both, says Elise Crull, who bases her answer on recent experiments that show that causal sequences can get mixed up in quantum circuits.A philosopher of physics at The City College of New York, Crull studies the results of experiments like these to try and tease out their meaning.Can causality coexist with quantum uncertainty?Why does the arrow of time point in one direction?Crull says that she doesn't yet know the answers to these questions, but she thinks scientists could benefit from pondering such riddles.