Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more.

Eyesight differs from person to person due to several factors, including aging, genetics, and lifestyle choices. Human-led ...

static lenses of varying levels of VLT, and polarized lenses, so you should be able to find what you need for most sports. The optics are crisp. The pair of sunglasses we tested had ImpactX lenses ...

Step in car insurance comparison sites, which promise to save you hundreds of pounds when it’s time to renew. We’ve tested eight in 2025 to find out which you should use to find the perfect ...

Introduction Eye protection together with vision correction demand an important selection between prescription shades and ...

Phone sizes vary across brands, and Apple’s approach to the size of its phones has varied massively. For a broader overview of how iPhones compare to other brands’ phones, check out our dedicated ...

With the best lenses for iPhone and Android phones, you can gain a whole new perspective in your smartphone photography and videography. Smartphone camera arrays are undoubtedly improving, especially ...

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 ...

Which is the UK's cheapest supermarket in 2025? Every month, we compare thousands of prices at eight of the UK's major supermarkets – Aldi, Asda, Lidl, Morrisons, Ocado, Sainsbury’s, Tesco and ...

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 ...

These are our highest-rated lenses for a range of shooting conditions. Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given ...