Search results for atomic clock

Optics & Photonics May 3, 2024

Physicists create an optical tweezer array of individual polyatomic molecules for the first time

A team of physicists at Harvard University has succeeded in trapping individual polyatomic molecules in optical tweezer arrays for the first time. In their paper published in the journal Nature, the group describes how they ...

Earth Sciences May 2, 2024

A clock in the rocks: What cosmic rays tell us about Earth's changing surface and climate

How often do mountains collapse, volcanoes erupt or ice sheets melt?

Space Exploration Apr 30, 2024

Two new satellites join the Galileo constellation

The European Galileo navigation system has two more satellites in orbit following their launch in the early morning of Sunday, 28 April, at 01:34 BST/02:34 CEST. With 30 satellites now in orbit, Galileo is expanding its constellation, ...

General Physics Apr 29, 2024

Laser excitation of Th-229 nucleus: New findings suggest classical quantum physics and nuclear physics can be combined

Physicists have been hoping for this moment for a long time: For many years, scientists all around the world have been searching for a very specific state of thorium atomic nuclei that promises revolutionary technological ...

General Physics Apr 22, 2024

Superradiant atoms could push the boundaries of how precisely time can be measured

Superradiant atoms can help us measure time more precisely than ever. In a recent study, researchers from the University of Copenhagen present a new method for measuring the time interval, the second, mitigating some of the ...

Analytical Chemistry Apr 22, 2024

Researchers uncover kinky metal alloy that won't crack at extreme temperatures at the atomic level

A metal alloy composed of niobium, tantalum, titanium, and hafnium has shocked materials scientists with its impressive strength and toughness at both extremely hot and cold temperatures, a combination of properties that ...

Planetary Sciences Apr 15, 2024

New analysis reveals the brutal history of the Winchcombe meteorite's journey through space

Intensive new nano-analysis of the Winchcombe meteorite has revealed how it was affected by water and repeatedly smashed apart and reassembled on the journey it took through space before landing in an English sheep field ...

Quantum Physics Apr 13, 2024

The experimental demonstration of a verifiable blind quantum computing protocol

Quantum computers, systems that process and store information leveraging quantum mechanical phenomena, could eventually outperform classical computers on numerous tasks. Among other things, these computers could allow researchers ...

Optics & Photonics Apr 8, 2024

Atom interferometer charters Navy's inertial navigation path to reduce drift

U.S. Naval Research Laboratory (NRL) researchers have developed a patent-pending Continuous 3D-Cooled Atom Beam Interferometer derived from a patented cold and continuous beam of atoms to explore atom-interferometry-based ...

Optics & Photonics Apr 4, 2024

Surface emitting semiconductor laser achieves efficiency breakthrough

Since its inception, the power conversion efficiency (PCE) of edge-emitting laser (EEL) technology has been continuously breaking records, achieving a historically high efficiency of 85% at -50°C in 2006. Following this, ...

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