Search results for x-ray

Optics & Photonics 8 hours ago

Team observes two distinct holographic patterns with ultrafast imaging

A team of scientists led by Professor Dong Eon Kim at the Pohang University of Science and Technology and Professor X. Lai at the Innovation Academy for Precision Measurement Science and Technology has achieved a breakthrough ...

Astronomy 8 hours ago

NASA's Chandra notices the galactic center is venting

Using NASA's Chandra X-ray Observatory, astronomers have located an exhaust vent attached to a "chimney" of hot gas blowing away from the center of the Milky Way galaxy. Their paper describing these results is published in ...

Analytical Chemistry 9 hours ago

Accelerating material characterization: Machine learning meets X-ray absorption spectroscopy

Lawrence Livermore National Laboratory (LLNL) scientists have developed a new approach that can rapidly predict the structure and chemical composition of heterogeneous materials.

Bio & Medicine 10 hours ago

High-speed atomic force microscopy helps explain role played by certain biomolecules in DNA wrapping dynamics

In plants and animals, the basic packaging units of DNA, which carry genetic information, are the so-called nucleosomes. A nucleosome consists of a segment of DNA wound around eight proteins known as histones.

Biochemistry 11 hours ago

Chemists shows hemoprotein catalysis is way more complicated than we thought

Sometimes, serendipity—or just plain luck—still plays a pivotal role in scientific discovery. Recently, a team of chemists was experimenting with using a biocatalytic process to trigger a cyclopropanation reaction, which ...