Getting your first telescope should feel exciting, not frustrating. If I avoid a few common beginner mistakes, I can turn that confusing bundle of glass and metal into a tool that reliably shows the ...

The scientists behind the MAGIS-100 experiment aim to use state-of-the-art lasers to shed light on ultralight dark matter.

Through a full step by step free hand process, this drawing video creates The Man in the Mirror with a Forever Young theme, focusing on reflection, expression, and lifelike structure. The artwork ...

Solar eclipses thrill skywatchers every year. You just have to be in the right place at the right time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A new galvanometer-based laser processing system reported in Engineering integrates full-in-situ imaging and machining without requiring coordinate conversion or calibration, offering a streamlined ...

Abstract: We report the device characteristics of dry-etched facet $1.55~\mu $ m FP lasers fabricated using one-time multi-depth etching process. A multi-level mask was utilized during the ICP etching ...

Abstract: In order to meet the laser communication requirements of small satellites, we designed an electromagnetically-driven micro-electromechanical system (MEMS) fast steering mirror (FSM) with a ...