The best 70-200mm lenses combine a constant maximum aperture and top quality, and are an essential lens for pros The best 70-200mm lens is a true workhorse lens. The most popular and well-known ...

Get your questions answered by the editors at Trains and learn more about the railroading industry.

Abstract: This paper presents a large-aperture multi-subarray radial line helical array antenna equipped with dielectric windows for high-power microwave applications. The design integrates additional ...

Abstract: This paper presents a novel design method for a dual-band shared-aperture linear-to-circular polarization (LP-to-CP) converter. High-impedance structures and a band-pass frequency selective ...

Samsung just debuted three new phones at its biannual Samsung Galaxy Unpacked 2025 event today. Here’s how to pre-order the ...

She would also go on to serve as the guest editor for Aperture Magazine’s winter 2021 edition, ‘Latinx,’ celebrating Latin American photographers across the country. In 2024, Aperture Magazine decided ...

The Energy Industries Council (EIC) says 41 hydrogen projects are set to begin development across Africa in the next five years, led by North African nations like Egypt, Algeria, and Morocco. West ...

The Inspiration and Stories You Need to Live Your Most Beautiful Dallas Life ...

Arabian Business unveils its 2025 list of 100 Most Inspiring Women, showcasing the female leaders transforming the Middle ...

The Galaxy S25 looks strikingly similar to the Galaxy S23 and Galaxy S24. If you have one of those older phones, is it worth upgrading? We compare the specs to help you decide.

The Scottish government has called time on its pilot scheme to abolish peak rail fares, but the calls for making public transport more accessible grow.

I round up the best Micro Four Thirds lenses, from ultra-wide angle to super-telephoto and everything in between. I'm an avowed enthusiast of the system, having used Olympus and OM System gear in my ...