Liquid-crystal molecules tend to be elongated and to orient in specific directions. The Fréedericksz transition, a key electro-optic phenomenon in nonpolar nematic liquid crystals, is suppressed ...

Samsung makes lots of great TVs for all budgets. Here are our top picks, including bright 4K displays and the brand's ...

This technique shared by [Andy Kong] is for 3D printed lenses, but would probably be worth a shot for any resin prints that ...

Explore Chamelo’s Groundbreaking Tint-Changing Sunglasses What if your sunglasses could change their tint faster than you ...

The best cooler for your PC could well be an all-in-one (AIO) unit. Offering many of the benefits of liquid cooling, which can be more capable than air, an AIO cooler is easy to set up and provide ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

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 ...

Join me as I pick the best lenses for astrophotography fans shooting a starry night sky, to suit a range of cameras and budgets. I think that the best lenses for astrophotography are vital for getting ...

Want to preserve the planetary parade or capture the Lynx constellation? The best lenses for astrophotography can help you take beautiful, breathtaking images of the night sky. If you're stepping ...

The lenses are made of crystal for incredible clarity and scratch resistance. They completely cut out glare and also provide complete UV protection. "Persol's lenses are scientifically formulated ...

They use liquid crystal lenses to provide an adjustable tint, switching from transparent to sunglasses with a tap or through an app. Some AR glasses, like the Viture Pro and the XReal Air 2 Pro ...