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[TECHNOLOGY] · China, Austria · 31 sources

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Part of situation: Development of functional nuclear and atomic clocks (2 clusters)

Nuclear clocks developed by researchers in China and Austria

nuclear clock thorium-229 quantum precision measurement atomic clock timekeeping technology

Two independent research teams, one from Tsinghua University in Beijing and another from TU Wien in Austria, have successfully developed the world’s first operating nuclear clocks. The findings, published in the journal Nature, mark a significant breakthrough in quantum precision measurement by shifting the basis of timekeeping from electron energy transitions to transitions within the atomic nucleus.

The devices utilize the thorium-229 isotope embedded in solid-state calcium fluoride crystals. By using high-powered lasers to trigger energy level transitions within the nucleus, the clocks can achieve unprecedented stability. Because the nucleus is significantly smaller than the electron cloud, it is less susceptible to external electromagnetic interference, offering the potential for much higher precision than current atomic clocks.

While the new nuclear clocks do not yet outperform the most advanced conventional atomic clocks, they represent a major step toward a new generation of timekeeping technology. Potential applications include enhanced satellite-based navigation, more precise data synchronization, advanced metrology, deep-space exploration, and even investigating fundamental physics phenomena such as dark matter.

Entities

Beijing · CERN · Ekkehard Peik · Nature · Physikalisch-Technische Bundesanstalt · Shiqian Ding · TU Wien · Thorium-229 · Thorium-229 · Thorsten Schumm · Tsinghua University · Vienna Atomic Institute

Claims

What the coverage asserts, and how many sources carry each claim.

Sources

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中国科研团队研制出“核光钟” [sputniknews.cn]
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TU Wien misst Zeit künftig unvorstellbar genau [ictk.ch]
Die erste Kernuhr tickt [www.weltderphysik.de]
Ilmuwan China rancang jam nuklir dengan pengukuran waktu ultra presisi [www.antaranews.com]
Forscher entwickeln erste Kernuhren der Welt – das könnte unsere Zeitmessung revolutionieren [www.mannheim24.de]
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Forscher entwickeln erste Kernuhren der Welt – das könnte unsere Zeitmessung revolutionieren [www.hna.de]
Znanstvenici razvili prve nuklearne satove koji vrijeme mjere unutar atomske jezgre [www.monitor.hr]
Учени създадоха първите ядрени часовници в света [petel.bg]
50 yıllık hayal gerçek oldu: Dünyanın ilk nükleer saatleri çalıştırıldı [www.donanimhaber.com]
Учени създадоха ядрен часовник, който променя представите ни за времето [www.plovdiv24.bg]
Les premières horloges nucléaires opérationnelles commencent à mesurer le temps [kulturegeek.fr]
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Cercetătorii din Viena și Beijing au creat, simultan, primele ceasuri nucleare din lume [www.go4it.ro]
Scientists in Vienna and Beijing Build World's First Nuclear Clocks Using Thorium-229 in Timekeeping Leap [www.ibtimes.com.au]
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China Builds Nuclear Clock Six Times Steadier Than Rival [www.techjuice.pk]
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Scientists in Vienna and Beijing create world's first nuclear clocks [arynews.tv]
China and Austria develop first nuclear clocks; China's more stable, Nature says [www.world-today-news.com]
Comienza la era de los relojes nucleares: cuenta atrás para la medición del tiempo más precisa de la historia [okdiario.com]
Die erste Atomkernuhr der Welt läuft am Wiener Atominstitut [www.news.at]
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Scientists in Vienna and Beijing create world's first nuclear clocks | International [www.devdiscourse.com]