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Xiaomi unveils 17 Ultra with Leica cameras and bold new gadgets

Xiaomi has once again raised the bar in smartphone innovation with the launch of the Xiaomi 17 Ultra. Unveiled during a high-profile event in Beijing on December 25, 2025, the 17 Ultra is the ...
C&EN

Data-Independent Acquisition Coupled with Electron-Activated Dissociation for In-Depth Structure Elucidation of the Fatty Acid Ester of Hydroxy Fatty Acids

Graduate School of Pharmaceutical Sciences, Keio University, Minato-ku, Tokyo 105-8512, Japan Molecular and Cellular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City ...
Frontiers

The Basics of Electronic Structure Theory for Periodic Systems

When density functional theory is used to describe the electronic structure of periodic systems, the application of Bloch's theorem to the Kohn-Sham wavefunctions greatly facilitates the calculations.
C&EN

Achromatic Metalens over 60 nm Bandwidth in the Visible and Metalens with Reverse Chromatic Dispersion

In this Letter, we experimentally report an achromatic metalens (AML) operating over a continuous bandwidth in the visible. This is accomplished via dispersion engineering of dielectric phase shifters ...