Fantastic sharpness, great wide maximum aperture and lightweight design make this a truly ideal astrophotography lens.

19, 2025 Published on 2025-05-19T16:39:59+07:00 he Indonesian Petroleum Association (IPA) is set to hold its annual IPA Convention and Exhibition (IPA Convex), spotlighting the oil and gas ...

For most of us, mirrors are something we buy instead of build. However, [Unnecessary Automation] wanted to craft mirrors of his own for a custom telescope build. As it turns out, producing ...

At ARVO 2025, in Salt Lake City, Utah, Carly Lam, PhD, MSc, and Tsz Wing Leung, PhD talked about the evaluation of the visual ...

The report warned of a sharp rise in acute malnutrition, projecting that 71,000 children and more than 17,000 mothers will urgently require treatment. At the beginning of 2025, agencies estimated ...

SHOPPING: Tackle everyday pet messes, unexpected spills, and quick cleanups with this lightweight cordless vacuum that makes life so much easier, whether it's wet or dry debris. At just 4.4 pounds ...

To control light, curved lenses are used today, that are often made of glass that is either concave or convex, which refracts the light in different ways. These types of lenses can be found in ...

Travel and holidays give us so many opportunities to photograph exotic locations, interesting people and other subjects we might not see at home. With this in mind, we're sharing 6 travel-themed ...

Going back to February 2025, when the rise of Bitcoin (BTC) prices reclaimed $100k, the OG cryptocurrency had come a long way since 2009. Bitcoin emerged as a peer-to-peer digital currency, a true ...