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Health & Science5h 8m ago
Ultracold atoms in a lab-built mini universe allow physicists to track time using entropy inside the system, rather than an external clock.
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University of Birmingham
Who
Professor Giovanni Barontini of the University of Birmingham
What
Ultracold atoms in a lab-built mini universe allow physicists to track time using entropy inside the system, rather than an external clock.
When
Sun, 14 Jun 2026 14:07:00 GMT · 5h 8m ago
Where
University of Birmingham ·
Why
The experiment tests the idea that time might emerge from internal relationships and changes within the universe, rather than being a built-in feature.
The Frontline Impact
How this affects you
This research provides a new experimental platform for testing concepts in quantum gravity and cosmology, potentially shaping our understanding of the universe's fundamental nature and the arrow of time. It could lead to developing more complex analog systems to study scenarios linked to the early universe or black hole physics.
Story chain
3 events in this thread- Health & Science5h 8m agoPhysicists have created a 'miniuniverse' using ultracold atoms to measure time based on entropy within the system, rather than an external clock.Open article
- Health & Science5h 8m agoUltracold atoms in a lab-built mini universe let physicists track time without a clock, using entropy inside the system.Open article
- Currently Reading5h 8m agoUltracold atoms in a lab-built mini universe allow physicists to track time using entropy inside the system, rather than an external clock.