Monday, April 23, 2018
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Wireless power

Electromagnetic Wizardry: Wireless Power Transfer Enhanced by Backward Signal

“The notion of a coherent absorber was introduced in a paper published back in 2010. The authors showed that wave interference can be used to control the absorption...
fibrillation

Maelstroms in the Heart

Every five minutes in Germany alone, a person dies of sudden cardiac arrest or fibrillation, the most common cause of death worldwide. This is...
neutron

Neutron-Star Merger Yields New Puzzle for Astrophysicists

The afterglow from the distant neutron-star merger detected last August has continued to brighten – much to the surprise of astrophysicists studying the aftermath...
metamaterials

Building Blocks to Create Metamaterials

Engineers at Caltech and ETH Zürich in Switzerland have created a method to systematically design metamaterials using principles of quantum mechanics. Their work could pave...
gyroscopes

UChicago Scientists Use Gyroscopes to Find Unusual State of Matter

You don’t have to be perfectly organized to pull off a wave, according to University of Chicago scientists. Using a set of gyroscopes linked together,...
spintronic

Mysteries a Promising Spintronic Material Revealed

Researchers at UC Riverside used an unconventional approach to determine the strength of the electron spin interactions with the optical phonons in antiferromagnetic nickel...
memory

Study: Rhythmic Interactions Between Cortical Layers Underlie Working Memory

Working memory is a sort of “mental sketchpad” that allows you to accomplish everyday tasks such as calling in your hungry family’s takeout order...
sonar

Scientists Design Bacteria to Reflect “Sonar” Signals for Ultrasound Imaging

In the 1966 science fiction film Fantastic Voyage, a submarine is shrunken down and injected into a scientist's body to repair a blood clot...
Ultrasonic Therapyvideo

A Safer Route to Ultrasonic Therapy

Researchers at Duke University have discovered a way to enhance the effectiveness and safety of sonogenetics or ultrasonic modulation, emerging techniques that use sound...
ultrasound

Ultrasound Images in a Class of Their Own

Researchers at DTU have led the field for 20 years in developing the imaging technique used in ultrasound scanners, e.g. for scanning of pregnant...
quantum

Real-Time Observation of Collective Quantum Modes

A cylindrical rod is rotationally symmetric – after any arbitrary rotation around its axis it always looks the same. If an increasingly large force...
neutron star collisionvideo

Neutron-Star Merger Creates New Cosmic Mysteries

An international team including Associate Professor Tara Murphy has been studying a neutron star collision and found an unusual cocoon of debris, raising doubts...
quantum

Quantum Effects Explain Changes in Nanometric Circuit Electron Flows

Transistors capable of functioning with an electrical current consisting of the passage of a single electron at each point in time are on the...
brain waves

Neuroscientists Show Deep Brain Waves Occur More Often During Navigation and...

Findings UCLA neuroscientists are the first to show that rhythmic waves in the brain called theta oscillations happen more often when someone is navigating an...
Ultracompact Photodetector

Gips-Schüle Research Award for Ultracompact Photodetector

Researchers of Karlsruhe Institute of Technology (KIT) demonstrated a novel plasmonic photodetector that is a hundred times smaller and much quicker than conventional detectors....
Metasurface, measure electrical current, solar cells, Aircraft Ice, Semiconductor, acoustic device, optical devices, Hybrid Electrolyte, electrical bistability, nanomagnets, magnetic circuits, capacitor, data storage, Transistors, Transistor, Electricity, solar cells, Ultrasound, Nucleation processes, micro robot

Advance in Light Filtering Technology Has Implications for LCD Screens, Lasers...

Vector polarizers are a light filtering technology hidden behind the operation of many optical systems. They can be found, for instance, in sunglasses, LCD...
optical tweezer

Hot Bodies Are Attractive

Our physical attraction to hot bodies is real, according to UC Berkeley physicists. To be clear, they’re not talking about sexual attraction to a “hot”...
microwave frequencies

Seeing Through Walls of Unknown Materials

Researchers at Duke University have devised a way to see through walls using a narrow band of microwave frequencies without any advance knowledge of...
quantum entanglement

Entangling Biological Systems

Nearly 75 years ago, Nobel Prize-winning physicist Erwin Schrödinger wondered if the mysterious world of quantum mechanics played a role in biology. A recent...
Superconductors

Breaking Electron Waves Provide New Clues to High-Temperature Superconductivity

Superconductors carry electricity with perfect efficiency, unlike the inevitable waste inherent in traditional conductors like copper. But that perfection comes at the price of...