Science Daily

The Ring Nebula is hiding a giant structure made of iron

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

Tightening the focus of subcellular snapshots: Combined approach yields better cell slices for cryoET imaging

Taking images of tiny structures within cells is tricky business. One technique, cryogenic electron tomography (cryoET), shoots electrons through a frozen sample. The images formed by the electrons ...
Education Week

How to Build a Classroom Terrarium for Hands-On Science (Downloadable)

Creating a bioactive habitat with students can give them a window into the natural world while easing the upkeep for class ...
C&EN

Silicon Surface Structure-Controlled Oleophobicity

† School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive, Atlanta, Georgia 30332-0245 ‡ School of Polymer, Textile, and Fiber Engineering, Georgia Institute of ...
IEEE

First-Order Perturbation Analysis of Nonlinear Signal Generation in Surface Acoustic Wave Resonators on LiTaO

Abstract: This article describes the first-order perturbation analysis of nonlinear responses in surface acoustic wave (SAW) resonators on the LiTaO3/SiO2/Si structure, where bulk wave radiation is ...