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When we’re flooded with images, how much of their content do we retain? Penelope Umbrico, '541,795 Suns from Sunsets from Flickr (Partial) 01/23/06,' 2006-ongoing, detail, 2500 4 inch x 6 inch c-prints. Courtesy Mark Moore Gallery and Bruce Silverstein Gallery.

Exposed to a deluge of digital photos, we’re feeling the psychological effects of image overload

Snapping and sharing photographs has never been easier. But being inundated with images can have a host of unintended consequences, from heightened anxiety to impaired memory.

How your smartphone is changing cinema

This year has already seen the first selfie movie, the first series to air on Instagram – mobile phones are increasingly playing a major role in the film world.
The November 27 fireball as photographed by the Desert Fireball Network observatory at William Creek, South Australia. Desert Fireball Network

How to find a meteorite that’s fallen to Earth

It's no easy task to find a meteorite that's just been seen flashing across the sky. But it helps if you have an automatic network of "eyes" on the night sky.
A Colorado Springs officer with a body-worn camera. There is growing support to introduce the technology in South Africa. Reuters/Rick Wilking

South Africa mulls body cameras to improve police accountability, safety

Police brutality is an ongoing problem in South Africa. Police-worn body cameras may help reduce such incidents by improving accountability. They may also contribute to the safety of officers.
As much as we like to think that we vote on substance – not style – studies have shown that physical appearance matters to voters. Carlo Allegri/Reuters

Welcome to Politics4K

While much of the 2014 midterm election analysis centered on the Republican takeover of the Senate, the pundits may have overlooked an important development: the end of a time when politicians looked a…
The eye sees what the camera can’t. Scot Campbell

Out! Goal! The ball was in! But could Hawk-Eye get it wrong?

Hawk-Eye is a device used to reconstruct the track of the ball for LBW decisions in cricket and for line calls in tennis. It will be much in evidence during the remaining Ashes tests and is now being used…

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