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Want to check if your food is gluten free? This device can help
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Mashable published a video this week on the Nima Sensor, a pocket-sized device that detects whether or not food includes gluten or not. - photo by Herb Scribner
Want to see if your food has gluten? The Nima Sensor will help you out.

Mashable published a video this week on the pocket-size device that detects whether or not food includes gluten. It also notifies you if your food was cross-contaminated.

The device comes with an app that stores your information. It will also notify you of any gluten-free restaurants nearby.

How does it work? According to the devices website, just enter a sample of food into the devices accompanying capsule and then insert the capsule in the Nima device.

The device will notify you of the gluten levels in three minutes, according to the devices website.

Watch the video explaining the device here.

Sara Chodosh of Popular Science tested the device. She said it worked quite well, though its far from perfect. She said the data storage helped her the most, since it helped her keep notes of which foods were gluten free and which ones werent.

Ive been waiting for Nima for three years and no, its not what I expected, she wrote. But its still kind of wonderful.
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.