The Matrix was a hit, and now a favorite among hackers, for a lot of reasons. One of the most intriguing plot devices in the movie was the characters’ ability to download new skills. For instance, Neo is able to instantaneously learn advanced martial arts techniques — at least within the digital world. While that is purely science fiction, a new type of wearable sleeve developed by Dr. Pedro Lopes at the University of Chicago’s Human Computer Integration Lab could make a simplified version of that possible.