Scientists have found a way to achieve negative refraction—where light bends the "wrong" way—using carefully arranged atomic arrays instead of engineered metamaterials. This breakthrough has enormous ...

Shopping for contact lenses online can be a convenient, affordable and reliable way to ensure your vision needs are met ...

All in all, the benefits of buying contacts online can often outweigh in-store experiences. It can be a breeze between costs, ...

Third, contact lenses can allow you to participate in an active lifestyle—whether your chosen activity is sports, ...

Figures show that China received more than 3.43 million inbound tourists from 175 countries and regions during the Spring Festival holiday this year, up 6.2 percent from the previous year. Since ...

Growing up, I was teased a lot about my glasses, and eventually, I begged my parents for contacts. They agreed when I turned ...

Mexico-born Fabiola Menchelli created large-scale, abstract photography using toxic chemicals in a photographic darkroom — ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Executive Editor David ...

It does this using the multiple camera lenses on the back of an iPhone. Developing this type of app presented a unique challenge to Zhang’s graduate students, Wang Xiang and Zhiheng Yin. They needed ...

The original Bifocal Lenses In Nearsighted Kids (BLINK) Study showed that having children with myopia wear high-add power multifocal contact lenses slows its progression. Now, new results from the ...

The idea of cooling a solid-state optical material by simply shining a laser beam onto it may seem counterintuitive, but this is rapidly becoming a promising technology for future cryocoolers.

Eight of Hong Kong’s 12 Group Ones featured in the 2024’s top 100 elite-level contests, falling from 12 last year. While four of Sha Tin’s contests ranked inside the top 20 for 2023 ...