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No enemy will want to be on the receiving end of DREAD, a high-tech gun capable of pumping out 120,000 rounds per minute of .308 and .50 caliber round metal balls at 8000 feet per second (ft/s). The M-16 rifle, which delivers its ammunition at 3200 ft/s, and can shoot a mere 900 rounds per minute, has nothing on it. Click here to view the first image in today's viral picture gallery. Continue reading for a viral video showing why you should never tailgate.

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Rather than give coins back, Turkish company Pugedon's new machine in Istanbul gives food and water for the city's stray dogs when plastic bottles are recycled. After a bottle is deposited up top, food is released at the bottom, and the Pugedon Smart Recycling Boxes operate at no charge to the city, with recycled bottles covering the cost of the food. For those who can't see the video above, continue reading for an animated image showing exactly how this machine works.

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You know the saying "like the back of my hand" when referring to something? Introducing Ritot, a high-tech $160 wristband fitted with a projector that beams the time, as well as notifications from a connected smartphone, directly onto a hand or wall. For efficiency and "coolness" factor, the time is projected by tapping or shaking the Ritot and projections last for 10 seconds. Continue reading for more pictures and information.

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Designer Luis Hernan's "Digital Ethereal" is a high-tech project that utilizes long-exposure photography to show what Wi-Fi signals would look like if they were visible. This was made by possible with his Android app "Kirlian Device mobile", which is software that displays Wi-Fi signal strength with an array of colors. Continue reading for more pictures and information.

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We have seen the future of sports cars, and they just might be salt water-powered. The QUANT e-Sportlimousine utilizes a nanoFLOWcell system, which is comprised of a three-tank system that stores two types of liquid electrolytes - one positively charged, the other negatively - to generate 912-horsepower. Continue reading for a video and more information.

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First unveiled at CES 2014, Samsung's curved 105" Ultra HD television is currently the largest ever made with a 'cinema' widescreen ratio and priced accordingly, at an eye-watering $120,000 USD. Other high-tech features include Voice Command, which lets you talk to the TV to search what's on or to perform basic commands such as 'last channel,' 'record' or 'turn off', and 'four screen' mode for splitting the display into four, each capable of showing a different TV channel. Continue reading for two videos and more information.

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Called Impervious, this innovative super-hydrophobic nanospray contains molecules 1,000 times smaller than a human hair and can make just about anything water-resistant in minutes. You can either choose to spray it onto the screen - the thin layer of protection it provides also prevents the screen from being scratched - of any device, or the entire gadget. Once applied, the company says that gadgets can be submerged in 3-feet of water for 30 minutes. Continue reading for the demonstration video and more information.

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It may not be a true holodeck, but scientists at the Max Planck Institute for Science have managed to create their own version with an Oculus Rift headset and a room full of cameras. Oculus is used to replicate the experience of being in a Star Trek holodeck, which means their users can still walk around the room unhindered, thanks to multiple infrared cameras setup around the room, which communicate with the wireless headset. Continue reading for a video and more information.

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Geeky cat owners who love technology rejoice! A California-based startup has unveild Bistro, a cat feeder that tracks appetite and weight change patterns using "cat facial-recognition technology." Featuring a built-in camera that constantly monitors a cat as it eat and drinks and then transmits the info to a live video feed, which owners can view on their smartphone using a special app. That's not all, "the device also measures and charts the amount of food and water a cat is consuming, so owners can easily notice strange behavior," says Mashable. Continue reading for a video, more information, and the project page.

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Want to learn something this week? Here are 26 extremely useful websites that will help you do so, starting with LearnStreet, a website that offers completely free beginner level courses for Ruby, Python, and JavaScript. LearnStreet's interface includes videos, some standalone programming projects collectively known as the Code Garage, and other components. The company was conceived by Sun Microsystems co-founder and venture capitalist Vinod Khosla and WhoWhere? and eGain co-founder Gunjan Sinh. Continue reading for more.

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