This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking ...

You may try grounding to help decrease inflammation, pain, and stress. Walking barefoot outside is the easiest way to practice grounding. You can also practice grounding by touching the Earth—sand, ...

Abstract: A compact optical fiber Fabry–Perot (FP) accelerometer was designed for microvibration measurements in the low-frequency band below 1 Hz. A double-spring-supported spring-mass oscillator was ...

Abstract: We demonstrate a fiber-optic micro-electron-mechanical systems (MEMS) accelerometer based on a symmetric push-pull spring structure made by micromachining on a silicon substrate, which ...

Scroll down for hints and conversation about the puzzle for Friday, Dec. 26, 2025. By New York Times Games Scroll down for hints and conversation about the puzzle for Thursday, Dec. 25, 2025. By New ...