You mean for the 3D scan? It said photogrammetry, so I'd guess mainly from that. Looks way too detailed for a 3D model from just multiple side‑looking sonar scans, though I am no expert. Video can get ...

A small underwater drone called Hydrus has located the wreckage of a 100-year-old coal hulk in the deep waters off the coast of western Australia. Based on the data the drone captured, scientists were ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: A 14 th-century shipwreck ...