It can be very frustrating trying to fix something, when the person instructing you isn’t there in person, but is instead communicating with you over a phone line – “Whaddaya mean, ‘The silver cap’? Which silver cap?!” This is why engineers sometimes need to be flown in to factories or other places that use complex machines, to make repairs that simply can’t be explained verbally. Researchers from the Fraunhofer Institute for Communication, Information Processing and Ergonomics, however, have developed an augmented reality system that lets those engineers provide real-time visual instructions to distant on-site technicians ... and it can be done without internet access.
Read the full article: AR system lets engineers show remote technicians what they're talking about