ok finding a needle in a haystack is hard but have you ever tried to find an 8×6-millimeter radioactive cesium-137 capsule along a 1700-kilometer stretch of rural west Australian highway?
Sounds about right
Ummm… https://www.reddit.com/r/HolUp/comments/10o1r0s/found_this_nice_shiny_capsule_on_the_side_of_the/