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 ...

An AI deepfake was final straw for a Washington state trooper. He's suing China launches its silver weapon on Jan. 1. Here’s what that means for prices. Who is Sarah West? Judge faces calls to be ...

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 ...

Abstract: Online alignment of harmonic conversion crystal in high-power laser facilities is a challenging and labor-intensive task. An automated technique for self-alignment of crystals on these ...

It also provides medical systems comprising angiography, fluoroscopy, mobile C-arm, radiography, mobile X-ray systems, PET, and fluorescence imaging products; optical devices which consist of ...

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 ...