A tiny cavity leads to a strong interaction between light and matter

Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed up to 10 times by an artificial atom. This opens up new prospects for quantum technology.

Model system for distribution of more accurate time signals

Physicists have demonstrated the first next-generation 'time scale' -- a system that incorporates data from multiple atomic clocks to produce a single highly accurate timekeeping signal for distribution. The new time scale outperforms the best existing hubs for disseminating official time worldwide and offers the possibility of providing more accurate time to millions of customers such as financial markets and computer and phone networks.

It takes two -- a two-atom catalyst, that is -- to make oxygen from water

The search for sustainable approaches to generating new fuels has brought scientists back to one of the most abundant materials on Earth -- reddish iron oxide in the form of hematite, also known as rust.

Cell stiffness may indicate whether tumors will invade

Engineers at MIT and elsewhere have tracked the evolution of individual cells within an initially benign tumor, showing how the physical properties of those cells drive the tumor to become invasive, or metastatic.

Researchers watch quantum knots untie

A quantum gas can be tied into knots using magnetic fields. The same researchers who were the first to produce these knots have now studied how the knots behave over time. The surprising result is that the knots untie themselves over a short period of time, before turning into a vortex.

Atomic images reveal unusually many neighbors for some oxygen atoms

The identification of new chemical bonds is crucial for the design of new material structures. A team has found unexpected new configurations of oxygen and nitrogen in graphene.

The DUNE experiment could lead to new discoveries about solar neutrinos

The Deep Underground Neutrino Experiment (DUNE) is an international research collaboration aimed at exploring topics related to neutrinos and proton decay, which should start collecting data around 2025. In a recent study featured in Physical Review Letters, a team of researchers at Ohio State University have showed that DUNE has the potential to deliver groundbreaking results and insight about solar neutrinos.

Magneto-inertial fusion experiment nears completion

The Plasma Liner Experiment will soon test the potential for a novel plasma fusion concept, while offering insights into the physics of colliding plasma jets.

A star is born: Using lasers to study how star stuff is made

On a typical day at the world's biggest laser you can find scientists casually making star-like conditions using 192 high-powered lasers. Stars in the universe are formed through a process called nucleosynthesis, which fuses lighter atoms to create new heavier atomic nuclei. Natural elements found here on Earth, such as helium and aluminum, were formed through this process inside of a star not unlike our own sun.

New insights could help tame speedy ions in fusion plasmas

To create a practical fusion energy reactor, researchers need to control particles known as fast ions. These speedy ions, which are electrically charged hydrogen atoms, provide much of the self-heating ability of the reactor as they collide with other ions. But they can also quickly escape the powerful magnetic fields used to confine them and overheat the walls of the containment vessel, causing damage.


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