A group of students built an autonomous unmanned solar powered drone boat and sent it to a journey to cross the Atlantic. What even cooler, you can actually track it online using the Transatlantic Tracker.
Yes you read it right. Students of Duke University came up with a ground breaking way to charge mobile phone or any other devices by harvesting energy from wireless Internet waves.
Not even a year ago, Project Ara was pretty much still a concept revealed by Phoneblocks and Motorola. Now Google announced the device will probably go on sale in the first quarter of 2015.