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Optics & Photonics Sep 29, 2022

New technique enables shaping of electron beams

A new technique that combines electron microscopy and laser technology enables programmable, arbitrary shaping of electron beams. It can potentially be used for optimizing electron optics and for adaptive electron microscopy, ...

Cell & Microbiology Sep 28, 2022

Seeing antibiotics in action inside a pathogenic bacterium

Every living cell relies on proteins in order to function and the process of protein synthesis—translation—is critical for survival. Bacteria are no exception, with molecular machines involved in translation being one ...

Analytical Chemistry Sep 28, 2022

Three microscopes see more than two

One has to look very closely to understand what processes take place on the surfaces of catalysts. Solid catalysts are often finely structured materials made of tiny crystals. There are various microscopies to monitor chemical ...

Analytical Chemistry Sep 22, 2022

Scientists chip away at the mystery of how radiation weakens metal, one atom at a time

Gray and white flecks skitter erratically on a computer screen. A towering microscope looms over a landscape of electronic and optical equipment. Inside the microscope, high-energy, accelerated ions bombard a flake of platinum ...

Optics & Photonics Sep 21, 2022

Physicists make molecular vibrations more detectable

In molecules, the atoms vibrate with characteristic patterns and frequencies. Vibrations are therefore an important tool for studying molecules and molecular processes such as chemical reactions. Although scanning tunneling ...

Molecular & Computational biology Sep 15, 2022

Beyond AlphaFold: AI excels at creating new proteins

Over the past two years, machine learning has revolutionized protein structure prediction. Now, three papers in Science describe a similar revolution in protein design.

Cell & Microbiology Sep 15, 2022

Can we live longer? Physicist makes discovery about telomeres

With the aid of physics and a minuscule magnet, researchers have discovered a new structure of telomeric DNA. Telomeres are sometimes seen as the key to living longer. They protect genes from damage but get a bit shorter ...

Analytical Chemistry Sep 12, 2022

Electron microscopy reveals the reason for the purple stains on Alhambra ceilings

A pair of researchers at the University of Granada has solved the mystery of the purple stains on the ceilings of the famous Alhambra palace in Spain. In their paper published in the journal Science Advances, Carolina Cardell ...

Optics & Photonics Sep 8, 2022

Diamonds reveal neural secrets

The brain is arguably one of the most complex structures in the known universe.

Condensed Matter Sep 7, 2022

Researchers develop higher frame rate scanning tunneling microscopy

Scientists from the Faculty of Pure and Applied Sciences at The University of Tsukuba created scanning tunneling microscopy (STM) "snapshots" with a delay between frames much shorter than previously possible. By using ultrafast ...

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