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What are the coolest new inventions in 2015?

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Some of the coolest inventions of 2015 include a plane that folds into a car and a needle-free vaccine, explains Popular Science. The vaccine delivery occurs through patches similar to those used in nicotine replacement therapies, eliminating the need for syringes and refrigeration and reducing the risk of infection.

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What are the coolest new inventions in 2015?
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BinsCorner.com list of cool inventions includes electrical outlets that contain retractable extension cords and USB charging ports, tags that clip onto keys and other easily lost items that sound alarms sent by smartphone, and stop lights that count down the amount of time remaining before turning green.

CoolThings.com lists a surgically implanted contact lens that improves human vision up to three times better than 20/20, an inflatable airbag worn around the wrist that prevents drowning and a white laser that provides lighting for homes.

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