Physics

Scientists Measure the Shortest Unit of Time Ever in ‘Zeptoseconds’

Credit: BBC UK.The quantity of time it takes a light particle to pass a hydrogen molecule was measured by a team of researchers to produce the smallest unit of time ever. A trillionth of a billionth of a 2nd is the unit of measurement known as a zeptoseconds. That consists of a decimal point,...

Physicists Generate New Nanoscale Spin Waves

Illustration of the experiment. Credit: Dreyer et al, Nature Communications (CC-BY-SA 4.0)Strong alternating magnetic fields can be utilized to generate a new kind of spin wave that was previously just theoretically anticipated. A team of physicists from Martin Luther College Halle-Wittenberg (MLU) achieved this for the first time. They report on their work in...

Scientists Produce Fusion at 100 Million Kelvin for 20 Seconds

Tokamak geometry and the parameter evolution of a FIRE mode. a, The plasma configuration of a FIRE mode in KSTAR. Credit: Nature (2022). DOI: 10.1038/s41586-022-05008-1A team of researchers connected with several institutions in South Korea, working with two coworkers from Princeton University and one from Columbia University, has accomplished a new milestone in the development of...

The First Room-Temperature Superconductor Has Finally Been Discovered

When squeezed to high pressure between two diamonds (shown), a material made of carbon, sulfur and hydrogen can transmit electricity without resistance at room temperature.It is here: Researchers have reported the exploration of the first room-temperature superconductor after more than one century of waiting.The discovery evokes daydreams of futuristic technologies which could improve electronics...

Key Advance In Physics Research Might Help Enable Super-Efficient Electrical Energy

Superexchange magnetic interactions in transition-metal oxides. Credit: Proceedings of the National Academy of Sciences (2022). DOI: 10.1073/pnas.2207449119Today, an international group of scientists led by Séamus Davis, Professor of Physics at the University of Oxford and University Cork, has announced outcomes that reveal the atomic mechanism behind high-temperature superconductors. The searchings for are released in PNAS.Superconductors are...

Scientists State The Laws of Physics May Be Changing

Image by GettyHowever, we would bet most people do not think that line applies to the actual rules of the universe itself. As it turns out, however, researchers at Microsoft, scientists at Brown University, and one professional who consulted for Disney's "Wrinkle in Time" believe the laws of physics may actually be slowly changing, complicating...

Robotic Motion In Curved Space Defies Common Laws of Physics

Experimental realization of a swimmer on a sphere with actuated motors on a freely rotating boom arm. Credit: Georgia TechWhen humans, animals, also machines move throughout the world, they always press against something, whether it is the ground, air, or water. Until currently, physicists thought this to be a constant, following the law of...

SU(N) Matter Is About Three Billion Times Colder Than Deep Space

An artist’s conception of the complex magnetic correlations physicists have observed with a groundbreaking quantum simulator at Kyoto University that uses ytterbium atoms about 3 billion times colder than deep space. Different colors represent the six possible spin states of each atom. The simulator uses up to 300,000 atoms, allowing physicists to directly observe...

Building a “Quantum Heat Pump” To Search For Elusive Dark Matter

Scientists have developed a heat pump that uses light particles on a quantum range. Scientists can currently measure radio frequency signals closer to the quantum limit. Professionals say this technique works in searching for dark matter, a component of the universe whose existence is discernible primarily by its gravitational attraction. 30.1 percent of the...

New Proof That Water Separates Into Two Different Liquids At Low Temperatures

Credit: CC0 Public DomainA new kind of "phase change" in water was first recommended 30 years ago in a research study by scientists from Boston University. Because the shift has been predicted to happen at supercooled problems, however, confirming its presence has been challenging. That is because, at these low temperatures, water really does...