Physics & Astronomy

Physics & Astronomy

New Recipe for Dwarf Galaxies: Using Leftover Gas

The findings surprised astronomers because most galaxies form in association with a mysterious substance called dark matter or out of gas containing metals….

Physics & Astronomy

Measuring One-Neutron Halo Size Using Laser Technology

Atomic nuclei are normally compact structures defined by a sharp border. About twenty-five years ago, it was discovered at the University of California in…

Physics & Astronomy

Engineers Enhance Nanoscale Grating for Light Wave Control

People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration.Light waves transmit…

Physics & Astronomy

New Imaging Technique Unveils Atomic Structure of Nanocrystals

Optical and electronic properties of small assemblages of atoms called quantum dots depend upon their electronic structure – not just what’s on the surface,…

Physics & Astronomy

Cosmological Simulations: Unlocking Secrets of the Universe

Di Matteo will present an overview of her cosmological simulations as part of the “Big, Small, and Everything in Between: Simulating Our World Using Scientific…

Physics & Astronomy

Spin Currents: Clean Magnetization Switching in Thin Films

Switching the orientation of magnetization in a thin metallic film can be achieved using the diffusion of electron spinsA team of scientists in Japan has…

Physics & Astronomy

Quantum Hall Effect: Edge Behavior Redefines Resistance Measurement

When a conductor carrying electrical current is placed in a magnetic field, the flowing electrons experience a force perpendicular to both the magnetic field…

Physics & Astronomy

New Insights on Planetary Exploration from AAAS Symposium

Speaking at a symposium titled “The Origin and Evolution of Planets” held at the annual meeting of the American Association for the Advancement of Science, two…

Physics & Astronomy

Ultracold Gas Mimics Hot Plasma: Insights from Brookhaven Research

Several years after Duke University researchers announced spectacular behavior of a low density ultracold gas cloud, researchers at Brookhaven National…

Physics & Astronomy

Scientists prove graphene's edge structure affects electronic properties

Graphene consists of a hexagonal lattice of carbon atoms. While scientists have predicted that the orientation of atoms along the edges of the lattice would…

Physics & Astronomy

'Quantum Data Buffering' Scheme Demonstrated by Researchers

Quantum computers could potentially speed up or expand present capabilities in decrypting data, searching large databases, and other tasks. The new research is…

Physics & Astronomy

Electrons Mimic Magnetic Fields in New Quantum Discovery

An international team of scientists led by a Princeton University group recently discovered that on the surface of certain materials collective arrangements of…

Physics & Astronomy

Magnetic Cooling: A New Approach to Home Refrigeration

The alloy may prove to be a long-sought material that will permit magnetic cooling instead of the gas-compression systems used for home refrigeration and air…

Physics & Astronomy

Stress-Free Magnetic Field Detection: A Material Breakthrough

This material could lead to greatly improved magnetic sensors for a wide range of applications from weapons detection and non-destructive testing to medical…

Physics & Astronomy

Molecular Machines Power Plasmonic Nanoswitches for Future Circuits

“If plasmonics are realized, the future will have circuits as small as the current electronic ones with a capacity a million times better,” said Tony Jun…

Physics & Astronomy

Undercooling Effects on Ternary Eutectic Alloy Microstructure

Al¡VCu¡VSi alloy is widely applied in industry mainly as a light construction material. It is also a promising material for applications such as engine block…

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