MIT makes neural nets show their work

The scientific community has made tremendous strides in developing neural networks, computer systems that are built to operate like the human brain. Researchers have managed to get these systems to beat the world's best Go players, identify images and shrink their file sizes. Heck, we've even taught them to write like Philip K Dick. Most incredibly, Google recently taught two nets to design their own encryption algorithm. The problem, however, is that even the researchers that designed these systems aren't particularly sure how they actually work.