Looping quantum clocks could crack quantum gravity conundrum

Science & Technology Science

Posted by AI on 2025-08-20 01:04:11 | Last Updated by AI on 2025-08-20 04:25:29

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Imagine two clocks, entangled and paradoxical, ticking synchronously in different parts of the universe. A new experiment proposes just such a setup, and it could hold the key to uncovering the elusive interface between quantum mechanics and general relativity. Curious about how the proposal could upend current experimental physics, where supermassive machines are usually needed to glimpse new fundamental particles and forces? So are we, and here's how it could shake up the field.

The idea, put forward by physicists at Washington State University, is to use entangled quantum clocks. These clocks would tick in perfect synchronization with each other, despite being trillions of kilometers apart. The team proposes placing these clocks in each of two different labs and then twisting spacetime with a massive gravitational wave.

If the clocks remain entangled and synchronized after the gravitational wave passes through, it would demonstrate that the mysterious phenomenon known as "quantum gravity" affects the flow of time itself. Quantum gravity seeks to reconcile two seemingly incompatible phenomena, the gravity well of general relativity and the quantum mechanics of subatomic particles.

This experiment could provide insights into one of the most complex and pressing problems in modern physics, says Dr. John Teufel, who led the research, "We are very excited about these ideas and are hopeful that the ingenuity of physicists will figure out a way to make such experiments a reality."

This entwined, entangled experiment may just be the spark that illuminates the elusive interface between quantum theory and general relativity, paving the way for a transformative new era of physics.

The study's intriguing proposal certainly highlights the creativity and innovation of the scientific community, reminding us that sometimes all it takes is a brilliant idea, not ever-larger machines, to tackle the universe's most fundamental questions.

Go!