How ultracold, superdense atoms become invisible
An atom's electrons are arranged in energy shells. Like concertgoers in an arena, each electron occupies a single chair and cannot drop to a lower tier if all its chairs are occupied. This fundamental property of atomic physics is known as the Pauli.....»»
Using air to deflect lasers
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, reports an interdisciplinary.....»»
Iron atoms discovered on the move in Earth"s solid inner core
The iron atoms that make up the Earth's solid inner core are tightly jammed together by astronomically high pressures—the highest on the planet......»»
Three scientists win Nobel Prize in physics for looking at electrons in atoms during split seconds
The Nobel Prize in physics was awarded Tuesday to three scientists who look at electrons in atoms during the tiniest of split seconds......»»
Weather experiments made simpler with TV remote lights
Repurposing the lights commonly found in TV remotes for invisible channel switching could improve pioneering new experiments to encourage rainfall......»»
Einstein right again: Antimatter falls “down” due to gravity like ordinary matter
CERN's ALPHA experiment confirms matter and antimatter react to gravity in a similar way. Enlarge / An artist's conceptual rendering of antihydrogen atoms falling out the bottom of the magnetic trap of the ALPHA-g apparatus. (cre.....»»
Powering the quantum revolution: Quantum engines on the horizon
Quantum mechanics is a branch of physics that explores the properties and interactions of particles at very small scale, such as atoms and molecules. This has led to the development of new technologies that are more powerful and efficient compared to.....»»
Thiol ligands modify metal nanocluster structures and optical properties
Metal nanoclusters are tiny, crystalline structures up to two nanometers (2 x 10-9 meters) in diameter that contain a few to hundreds of metal atoms. Understanding the precise assembly of metal nanoclusters is paramount to determining how different.....»»
New spin-squeezing techniques let atoms work together for better quantum measurements
Opening new possibilities for quantum sensors, atomic clocks and tests of fundamental physics, JILA researchers have developed new ways of "entangling" or interlinking the properties of large numbers of particles. In the process they have devised way.....»»
Hidden dangers loom for subsea cables, the invisible infrastructure of the internet
More than 97% of the world’s internet traffic passes through subsea cables at some point, according to ENISA. Subsea cables are a vital component of the global internet infrastructure, and it is critical to protect them from cyberattacks, physical.....»»
Precisely arranging nanoparticles to develop plasmonic molecules
In the incredibly small world of molecules, the elementary building blocks—the atoms—join together in a very regular pattern. In contrast, in the macroscopic world with its larger particles, there is much greater disorder when particles connect......»»
Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require complex optical components an.....»»
Researchers: If neutron stars have mountains, they should generate gravitational waves
A neutron star is 2 solar masses compressed into a ball only 12 kilometers wide. Its surface gravity is so immense it compresses atoms and molecules into raw nuclei and squeezes electrons into protons transforming them into neutrons. Given such immen.....»»
Benign envy and influencer marketing
In a commercial world dominated by social media, research in the International Journal of Internet Marketing and Advertising reveals a mysterious, invisible force that lurks behind many a purchase decision when social media personalities, or influenc.....»»
Researchers investigate how carbon atoms might diffuse on interstellar ice grains
Uncovering the organic (carbon-based) chemistry in interstellar space is central to understanding the chemistry of the universe in addition to the origin of life on Earth and the possibilities for life elsewhere......»»
A microwave shield yields ultracold dipolar molecules
Almost a century ago, physicists Satyendra Nath Bose and Albert Einstein predicted a theoretical state of matter in which individual particles would, at extremely cold temperatures and low densities, condense into an indistinguishable whole. These so.....»»
"Invisible" cell types and gene expression revealed with sequencing data analysis improvement
In 2018, researchers in the Caltech laboratory of Yuki Oka, professor of biology and Heritage Medical Research Institute Investigator, made a major discovery: They identified a type of neuron, or brain cell, that mediates thirst satiation. But they w.....»»
Extending the playing field for organosulfur: A new way to synthesize sulfonate esters
Organosulfur compounds are organic molecules that contain one or more sulfur atoms bonded to carbon atoms. They not only play fundamental roles in biological processes but also have wide applications in many industries, such as pharmaceuticals, agroc.....»»
A new telescope could detect decaying dark matter in the early universe
Hydrogen is the most abundant element in the universe, by far. More than 90% of the atoms in the universe are hydrogen. Ten times the number of helium atoms, and a hundred times more than all other elements combined. It's everywhere, from the water i.....»»
Researchers reversely trap isolated atoms in high oxidation to accelerate oxygen evolution reaction kinetics
Single-atom catalysts (SACs), representing the ultimate high atom utilization efficiency and specific activity, have arguably become the most active new frontier in heterogeneous catalysis. The technology of atom trapping based on support effects is.....»»
Ever wonder how your body turns food into fuel? Researchers tracked atoms to find out
Inside our bodies at every moment, our cells are orchestrating a complex dance of atoms and molecules that uses energy to create, distribute and deploy the substances on which our lives depend......»»