A laser based landmine detector

A laser based landmine detector
 https://www.sciencedaily.com/releases/2024/11/241101124009.htm
Research uses lasers to detect landmines, underground objects
Date:
    November 1, 2024
Source:
    University of Mississippi
Summary:
    Enough landmines are buried underground worldwide to circle Earth twice at the equator, but the identification and removal of these explosives is costly and time-consuming. New research could help solve the problem.

So, now as to looking for gold (down under? billy has a go?) :-)