Google Glass

Mark Nootbaar / 90.5 WESA

A soldier in the field with little or no technical training could fix a piece of high-tech weaponry, seniors might use a complex health monitoring device and a newlywed couple can be coached through complicated IKEA instructions, all without the help of another human. 

Researchers at the Carnegie Mellon School of Computer Science are using wearable technologies like Google Glass to place an "angel" on a user's shoulder to do those types of tasks.