Not long ago, thermal scopes were superfluous gadgets. Now, they’re essential kit for serious predator and hog hunters. This collection of thermal sights includes military-grade scopes that cost more ...
In the field of optics, coupled light sources (e.g., lasers) can influence each other, producing ... A team of physicists and engineers at the University of Colorado Boulder has discovered a new ...
The 2-7x32 Crossfire II riflescope is one of many configurations in the Crossfire II line. The Dead-Hold BDC reticle is good for hunting/shooting at varying ranges where estimating holdover is a ...
Just when I thought the trend of short, fast, illuminated rifle scopes was cooling, a new class of excellent low-power variable optics revived my affection for these do-everything scopes. The new ...
Jan. 15, 2025 — Astronomers have detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The ...
Nature Communications is an open access, multidisciplinary journal dedicated to publishing high-quality research in all areas of the biological, health, physical, chemical, Earth, social ...
20 devilish questions to test your knowledge of the Shipping Forecast. 25 Years of the 21st Century 25 Years of the 21st Century: 1. The Age of Digital Warfare Matthew and his guests look back at ...
Integrated optics is a system of light-controlling components combined into a single device. The ultimate aim is to create miniature optical circuits similar to the silicon chips that have ...
For the first time, a team of researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF and the University of New Mexico have succeeded in cooling silica glass by ...
Choosing the best spotting scope tripod can be tricky. It can be tempting to go for something ultra-cheap – which isn't difficult to find – but there's definitely such a thing as false economy when it ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果