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.
Transformer robots are no longer only a science fiction we get to watch in the movies. MIT is developing a real life self-assembling robots and let me tell you the future in this department looks mighty bright.
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.