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Cardiff Physicists Break Ground in Gravitational Wave Detection

10/10/2025

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Summary

Story summary

Cardiff University physicists advance the Quantum Enhanced Space-Time measurement (QUEST) experiment, achieving world-record sensitivity for high-frequency gravitational waves.
The compact QUEST setup fits on a table and detects 100 trillion times smaller than a human hair.
Researchers unveiled a milli-Hertz detector concept using optical cavities and atomic clocks.
Integrating these detectors with clock networks could extend sensitivity to lower frequencies.

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Story summary

Cardiff University physicists advance the Quantum Enhanced Space-Time measurement (QUEST) experiment, achieving world-record sensitivity for high-frequency gravitational waves.
The compact QUEST setup fits on a table and detects 100 trillion times smaller than a human hair.
Researchers unveiled a milli-Hertz detector concept using optical cavities and atomic clocks.
Integrating these detectors with clock networks could extend sensitivity to lower frequencies.