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The Roost Smart Battery retrofits your existing smoke alarm for $35 1:11

Instead of replacing your whole smoke alarm for a smarter solution, the Roost Smart Battery is just a replacement for the 9-volt that fits inside. It can alert your smartphone when the device sounds, and you can call 911.
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This may be the most high-tech children’s picture book of all time 1:19

Kids these days. They grow up with iPads, smart homes, and now, picture books like "The Intergalactic Journey Home" that utilize mapping technology and NASA images to create "highly personalized story experiences."
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Graphene used to create self-folding origami-like paper

A team of researchers from Donghua University in China created a new graphene oxide-based paper that is able to self-fold into a box and slither around like an autonomous origami robot.
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Healthy neurologist pays for brain electrode implant in controversial self experiment

Kennedy kickstarted his struggling brain research by implanting electrodes into his own brain in a controversial self-experiment. He reported his early findings at the annual Neuroscience 2015 meeting held last month in Chicago.
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Meet Tally, a robot that endlessly roams around and scans retail store aisles 0:42

If you catch sight of a one-meter-tall robot trundling about your local store anytime, it's probably Tally, a new kind of bot designed to improve your shopping experience by making sure the shelves are always full.
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Construction is nearly complete on DARPA’s crazy submarine-hunting drone

Defense agency DARPA is nearing completion of an autonomous submarine-hunting ocean drone that possesses the ability to track and trail even the quietest submarines. Official testing commences in early 2016.
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Thanks to an ultralight power tether, this surveillance drone can stay aloft forever

The Parc surveillance drone never needs to land to deliver data or recharge, so it can stay in flight for unlimited periods of time and still transmit data and stay constantly charged through its microfilament tether.
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China’s LeTV expected to unveil affordable VR headset, 4K TVs, and more in big event

"Something big" is coming tomorrow to LeMall, the U.S. ecommerce site for Chinese consumer electronics giant LeTV. The company is expected to begin selling a VR headset, 4K video streaming box, 4K TVs, and more stateside
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Researchers are using autonomous fire-bombing drones to prevent future wildfires 3:06

It sounds counterintuitive at first, but the drone doesn't just haphazardly set the wilderness alight and then buzz back to home base. Instead, this drone is designed to autonomously execute and monitor prescribed burns.
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New sun-absorbing nanoparticle spray boosts tomato plant yields by over 80 percent

Researchers from Washington University in St. Louis have developed a method to boost the nutritional value of tomatoes using titanium and zinc nanoparticles , which help the tomato absorb more sunlight and better utilize minerals in the…
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Armed with electromagnetic sensors, Disney’s new wearable can tell what you’re touching 4:10

Disney's EM-Sense smart watch customizes your experience by identifying the objects you touch. The devices measures electromagnetic currents as they pass through the body even though they're undetectable to naked human senses.