Physics & Astronomy

Physics & Astronomy

New Graphene Quantum Dot Structure Enhances Electron Interaction

This tiered “wedding cake,” which appears in images that show the energy level structure of the electrons, experimentally confirms how electrons interact in a…

Physics & Astronomy

Added Disorder Boosts Transition to Photonic Topological Insulators

Research on insulators with topologically protected surface conductivity – in short: topological insulators – is currently in vogue. Topological materials may…

Physics & Astronomy

Fast CdS Nanobelt Photodetector for Visible-UV Light Detection

As a representative II-VI semiconductor, CdS is a promising material for visible-UV light detection. However, for pure NWs/NBs based photodetectors, fast…

Physics & Astronomy

Link Found Between Magnetic Field Strength and Temperature

Researchers recently discovered that the strength of the magnetic field required to elicit a particular quantum mechanical process, such as photoluminescence…

Physics & Astronomy

Advanced Plasma Switch: Boosting Power Grid Efficiency

GE is testing a tube filled with plasma — the charged state of matter composed of free electrons and ions that PPPL studies to understand fusion energy and a…

Physics & Astronomy

Smallest Transistor: Single Atom Switches Current Innovatively

At Karlsruhe Institute of Technology (KIT), physicist Professor Thomas Schimmel and his team have developed a single-atom transistor, the smallest transistor…

Physics & Astronomy

Opaque Universe Discovery Reveals Galaxy Scarcity Insights

A team of astronomers led by George Becker at the University of California, Riverside, has made a surprising discovery: 12.5 billion years ago, the most opaque…

Physics & Astronomy

Unraveling the nature of 'whistlers' from space in the lab

Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as “whistlers” — very low frequency packets…

Physics & Astronomy

Astronomers Find Supermassive Black Hole in Dwarf Galaxy

“We have discovered a supermassive black hole in the center of Fornax UCD3. The black hole mass is 3.5 million that of the Sun, similar to the central black…

Physics & Astronomy

Understanding Wiedemann-Franz Law: Metal Conductivity Explained

From everyday experience we know that metals are good conductors for both electricity and heat — think inductive cooking or electronic devices warming up upon…

Physics & Astronomy

NRL's sun imaging telescopes fly on NASA Parker Solar Probe

The mission to “touch the Sun” is 60 years in the making and will bring a spacecraft carrying a suite of instruments the closest ever before to the Sun with…

Physics & Astronomy

First Six-Dimensional Beam Measurement by UT-ORNL Team

A team of researchers led by the University of Tennessee, Knoxville conducted the measurement in a beam test facility at the Department of Energy's Oak Ridge…

Physics & Astronomy

Astrophysicist Reveals Starlike Atmospheres of Ultrahot Planets

However, a new study just published by a research team that includes Arizona State University astrophysicist Michael Line, an assistant professor in ASU's…

Physics & Astronomy

Surprising Discoveries in 2-D Tungsten Ditelluride Research

These 2-D materials can be prepared in crystalline sheets as thin as a single monolayer, only one or a few atoms thick. Within a monolayer, electrons are…

Physics & Astronomy

Ph.D. Student Designs Innovative Spinning Heat Shield for Spacecraft

Heat shields are essentially used as the brakes to stop spacecraft burning up and crashing on entry and re-entry into a planet's atmosphere. This design is the…

Physics & Astronomy

Lining up surprising behaviors of superconductor with one of the world's strongest magnets

What happens when really powerful magnets–capable of producing magnetic fields nearly two million times stronger than Earth's–are applied to materials that…

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