Physics in Conversation

Gravitational Wave Detectors: Tuning Spacetime's Super-Bell

September 1, 2026·16 min
Episode Description from the Publisher

Scientists are pushing superconducting cavities to ultra-cold limits to detect elusive high-frequency gravitational waves. Discover how a strange, dumbbell-shaped metal bell cooled to near absolute zero could soon let us listen to the universe's most violent secrets.

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