Pizza-making vending machines on their way to the U.S.

Pizza-making vending machines on their way to the U.S.: "Remember how people reacted when McDonalds announced that it was going to start selling pizzas? Well, if buying pies from a chain best known for cheap hamburgers might have been difficult for some folks to get their heads around, they will likely find this even stranger – buying them from a vending machine. Nonetheless, that’s exactly what Dutch company A1 Concepts is hoping Americans will do, when its Let’s Pizza machines arrive in the U.S."

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Wearable device generates electricity from walking knee movements

Wearable device generates electricity from walking knee movements: "If you’ve ever worn a knee brace, then you may have noticed what a large change in angle your knee goes through with every step you take, and how quickly it does so. A team of scientists from the U.K.’s Cranfield University, University of Liverpool and University of Salford certainly noticed, and decided that all that movement should be put to use. The result is a wearable piezoelectric device that converts knee movement into electricity, which could in turn be used to power gadgets such as heart rate monitors, pedometers and accelerometers."

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X-47B unmanned aircraft completes first major phase of flight-testing

X-47B unmanned aircraft completes first major phase of flight-testing: "The Northrop Grumman-built X-47B has passed the latest checkpoint on its flight path towards becoming the first carrier-based, tailless, fighter-sized, unmanned aircraft in the U.S. Navy’s arsenal with the successful conclusion of the first major phase of flight testing at Edwards Air Force Base (EAFB) in California."

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