How a Knife’s Steel Type Affects Sharpening

The strongest defining factor between different types of steel is the carbon content. Low carbon (greater than 0.3 percent) ...
C&EN

Numerical Calculation of Apparent Contact Angles on the Hierarchical Surface with Array Microstructures by Wire Electrical Discharge Machining

School of Mechatronics Engineering, Harbin Institute of Technology, Harbin, 150001 Heilongjiang, China Key Laboratory of Micro-systems and Micro-structures Manufacturing of Ministry of Education, ...
C&EN

Minimal Surfaces in Porous Materials: X-Ray Image-Based Measurement of the Contact Angle and Curvature in Gas Diffusion Layers to Design Optimal Performance of Fuel Cells

Department of Earth Science and Engineering, Imperial College London, London SW7 2BX, U.K.

Down 60%, Should You Buy the Dip on D-Wave Quantum?

D-Wave Quantum 's ( QBTS +1.05%) stock is down by about 60% from the 52-week high it touched in October 2025. That kind of ...