Scientists in China have achieved a breakthrough in imaging technology that could be a game changer for surveillance ...

Straight Shot: Hubble Investigates Galaxy With Nine Rings Feb. 4, 2025 — NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine ...

(M. Garlick/NOIRLab/NSF/AURA via AP)(M. Garlick / AP) CAPE CANAVERAL, Fla. — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 ...

CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years of the universe. At double the width of ...

Abstract: A terahertz gradient-index (GRIN) dual-polarized lens with wide-angle beam-steering is designed in this paper. A novel gradient-index distribution is designed by superimposing the refractive ...

If you have frames you love but lenses that are scratched or an old prescription, online services can help with shipping kits or pre-paid labels that allow you to mail in your glasses, get the ...

Abstract: We demonstrate a 1.5-$\mu $ m pulsed time-of-flight (ToF) LiDAR with 1-km detection distance and 1.7 ... Moreover, modified Newtonian telescope, characterized with high echo signal ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

From the Composer Pro II to the Sweet 50, these are the best housing and lens options. Leica, Panasonic, and Sigma full-frame mirrorless cameras share a common lens system, the L-mount.

The best camera lens cleaners are essential purchases for any keen photographer. After all, if you have a lens for a few years, at some point you're going to need to clean it properly, if only to get ...

The best telescopes allow you to observe this month's full planetary parade more closely and give you a front-row seat to the total lunar eclipse in March. The best telescopes unlock the wonders ...