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See what happens when the homeless are given cameras
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A social group in London just gave homeless people cameras and asked them to take photos of the city. - photo by Herb Scribner
The London-based social group Cafe Art wants to connect the city's homeless to London's community at large.

The social group may have done just that and more.

Back in July, Cafe Art launched a photography contest in which Londons homeless were given cameras and told to snap photos of the city, according to Cafe Arts Facebook page. Now, those photos have gone viral across the Internet, bringing awareness about London's homeless population to Internet users across the world.

The homeless, who were trained on photography by The Royal Photographic Society in July and June before taking the photos, snapped more than 2,500 photos, according to the groups Kickstarter page. Just 20 of those photos were selected by a panel, which includes representatives from FujiFilm and The London Photo Festival, according to the Kickstarter page.

Cafe Art plans to use the winning photos to make a 2016 calendar that will help raise money for the homeless, according to the Kickstarter page, which has raised more than $5,400 with a goal of $7,053.

All the money raised goes back into the project, Cafe Arts Kickstarter page reads. Either to pay for the printing of the photographs and calendar, rewarding the winning photographers, buying art materials for art groups affected by homelessness or helping individuals attend art courses.

Heres a look at the 12 of the selected photos, which are now available to the public.
Its toxic: New study says blue light from tech devices can speed up blindness
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A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers. - photo by Herb Scribner
It turns out checking Twitter or Facebook before bed is bad for your health.

A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers.

That process can lead to age-related macular degeneration, which is a leading cause of blindness in the United States, according to the researchs extract.

Blue light is a common issue for many modern Americans. Blue light is emitted from screens, most notably at night, causing sleep loss, eye strain and a number of other issues.

Dr. Ajith Karunarathne, assistant professor in the UT Department of Chemistry and Biochemistry, said our constant exposure to blue light cant be blocked by the lens or cornea.

"It's no secret that blue light harms our vision by damaging the eye's retina. Our experiments explain how this happens, and we hope this leads to therapies that slow macular degeneration, such as a new kind of eye drop, he said.

Macular degeneration is an incurable eye disease that often affects those in their 50s or 60s. It occurs after the death of photoreceptor cells in the retina. Those cells need retinal to sense light and help signal the brain.

The research team found blue light exposure created poisonous chemical molecules that killed photoreceptor cells

"It's toxic. If you shine blue light on retinal, the retinal kills photoreceptor cells as the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a Ph.D. student researcher working in Karunarathne's cellular photo chemistry group. "Photoreceptor cells do not regenerate in the eye. When they're dead, they're dead for good."

However, the researchers found a molecule called alpha-tocopherol, which comes from Vitamin E, can help prevent cell death, according to Futurism.

The researchers plan to review how light from TVs, cellphones and tablet screens affect the eyes as well.

"If you look at the amount of light coming out of your cellphone, it's not great but it seems tolerable," said Dr. John Payton, visiting assistant professor in the UT Department of Chemistry and Biochemistry. "Some cellphone companies are adding blue-light filters to the screens, and I think that is a good idea."

Indeed, Apple released a Night Shift mode two years ago to help quell blue lights strain on the eyes, according to The Verge. The screen will dim into a warmer, orange light that will cause less stress on the eyes.