In a recent study, researchers have developed a compound metalens that enables distortion-free imaging. The study, published in Engineering, presents a novel approach to on-demand distortion ...

Selfies are ubiquitous in life as we know it. Analysis of millions of photos showed that the number of selfies increased 900 times from 2012 to 2014, according to Flávio Souza et al. in a 2015 paper.

New images of the sun captured by the Solar Orbiter mission showcase the highest-resolution views of our star’s visible surface ever seen, revealing sunspots and continuously moving charged gas ...

Kaleidoscope vision is a short-lived distortion that causes things to look like you’re peering through a kaleidoscope. Migraine with aura is the most common cause. Rarely, it may be a symptom of ...

The best free stock photo websites offer high-quality, high-resolution images and graphics for personal and commercial use - and we've combed the internet for the very best. Whether you need stock ...

Our shared history can be told through the power of photography. Nat Geo's photo editors selected one image from each year of this century that capture the era's most important stories—from war ...

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Our expert image researchers bring you fresh inspiration each month, with curated sets hand-picked from the very best authentic stock photos in our library. Check out our most popular categories. Or ...