The most recent GREATforImagination post covered an augmented reality app created by Nexus Studios for the US Presidential administration in 2016. Augmented reality is a halfway point towards the more famous virtual reality, in which CGI elements are added to a real-time image of the user's surroundings, using either a mobile device screen or virtual reality goggles. The most well-known applications at the moment are for entertainment, such as the famous game Pokemon Go, or our own use of it in our Harry Potter exhibition.
However, there are some more practical uses for augmented reality in the worlds of science and engineering.
The construction industry still largely uses 2-D documents to indicate what should be built. However, why not create augmented reality images of objects in situ for people to copy? Or why not help utilities workers "see" underground pipes before they start digging holes?
An obvious application is in the world of chemistry, where physical 3-D models of large molecules have been familiar for decades, but can take a long time to build. Digital models can be created much more quickly, and AR equipment allows scientists to interact with them with increasing realism. There's a freeware program to try it yourself, if you have some chemistry and computing knowledge.
AR can also be used in surgery, either for training purposes or to allow surgeons to "see" what they are doing during minimally invasive surgery.
(All the articles linked are open access, so you don't have to come to the Library to read them)