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Health & Science4h 59m ago
Ultracold atoms in a lab-built mini universe let physicists track time without a clock, using entropy inside the system.
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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 let physicists track time without a clock, using entropy inside the system.
When
Sun, 14 Jun 2026 14:07:00 GMT · 4h 59m ago
Where
University of Birmingham ·
Why
The experiment tested the idea that time may not be a basic ingredient of the universe, but something that emerges from relationships and changes within it.
The Frontline Impact
How this affects you
This research provides a new experimental platform for studying the fundamental nature of time, allowing physicists to test concepts from quantum gravity and cosmology in a laboratory setting.
Story chain
3 events in this thread- Health & Science4h 59m agoPhysicists have created a 'miniuniverse' using ultracold atoms to measure time based on entropy within the system, rather than an external clock.Open article
- Currently Reading4h 59m agoUltracold atoms in a lab-built mini universe let physicists track time without a clock, using entropy inside the system.
- Health & Science4h 59m agoUltracold atoms in a lab-built mini universe allow physicists to track time using entropy inside the system, rather than an external clock.Open article