: Using AR headsets (like HoloLens) to overlay 3D models of underground water pipes onto a street view for maintenance.

There are several papers on using AR to "see" hidden water infrastructure:

Water that exists as water rights claims in legal documents but not in the real world is known as "paper water". California Water Impact Network Over Allocation - California Water Impact Network

Researchers often experiment with using real water as a surface for AR. Projects like these focus on:

However, based on typical naming conventions in research, this likely refers to a project involving and Water simulation or interaction. Below are the most relevant "interesting" research topics that fit this description: 1. Water-Based AR Interactions

Water that exists as water rights claims in legal documents but not in the real world is known as "paper water". California Water Impact Network