Chances are, you've already got a versatile computer in your pocket -- smartphones play music, record video, play games and more -- but what if it was smaller, open source and completely hackable? Then you'd have something like the Poco "supercomputer," a portable media device with the footprint of a credit card and the heart of a Raspberry Pi.

http://www.engadget.com/2015/11/25/t...-in-the-world/